| Entries |
| Document | Title | Date |
|---|
| 20080199130 | ARRAYED WAVEGUIDE GRATING - The present invention enables reduction of the temperature dependence of the light transmission center wavelength of the arrayed waveguide grating. | 08-21-2008 |
| 20080232740 | EFFICIENT LIGHT INJECTOR - A light injector includes a tapered solid light guide having a light input end, an opposing light output end, and a total internal reflection surface defining a longitudinal outer surface there between. The light input end includes an aperture extending into the tapered solid light guide defined by an aperture surface. A specularly reflective layer or film is disposed adjacent to the total internal reflection surface. A distance between the specularly reflective layer or film and the total internal reflection surface defines a first air gap. The aperture is configured to accept a lambertian light source. | 09-25-2008 |
| 20080267562 | Delivering light via optical waveguide and multi-view optical probe head - Techniques, apparatus and systems that use an optical probe head to deliver light to a target and to collect light from the target for imaging, monitoring, medical diagnostics and medical treatment applications. | 10-30-2008 |
| 20080285918 | OPTICAL COUPLING ELEMENT AND OPTICAL COUPLING UNIT - An optical coupling element disposed between an optical fiber and an optical element that face each other and optically coupling these two facing components includes a substantially cylindrical optical coupling portion whose opposite end surfaces respectively face the optical fiber and the optical element; and a projection projecting radially from a periphery of the optical coupling portion and being located closer towards one of the opposite end surfaces with respect to a center position therebetween. A diameter of the optical coupling portion at a position corresponding to a first end surface of the projection is substantially equal to a diameter of the optical coupling portion at a position corresponding to a second end surface of the projection. The periphery of the optical coupling portion includes periphery surfaces tapered from the positions corresponding to the first and second end surfaces of the projection respectively towards the opposite end surfaces. | 11-20-2008 |
| 20080292242 | High-Quality-Factor Tunable Microdisk - An optical device includes a waveguide and a microdisk that is optically coupled to the waveguide. The gap between the microdisk and the waveguide is between 0.3 microns and 0.7 microns. The diameter of the microdisk is between 15 microns and 50 microns. The quality factor of the microdisk is at least 105. The microdisk is tuned optoelectrically or piezoelectrically. | 11-27-2008 |
| 20080292243 | Optical Power Supply Type Sensing System - An optical power supply type sensing system includes: an optical directivity coupler ( | 11-27-2008 |
| 20090010595 | METHOD AND DEVICE TO IMPROVE BACKLIGHT UNIFORMITY - A method for providing a hot spot filter for a light guide is provided by taking an image of the light output pattern of an illuminated light guide. The hot spot filter may be a film, a layer, or an additional liquid crystal display dedicated to attenuating bright spots from the light guide. The hot spot filter may be incorporated into the image display by adjusting the grey scale of individual pixels to provide sufficient compensation. | 01-08-2009 |
| 20090016677 | METHOD AND APPARATUS FOR MINIMIZING PROPAGATION LOSSES IN WAVELENGTH SELECTIVE FILTERS - The present invention is a method and an apparatus for minimizing losses in wavelength selective filters. In one embodiment, an apparatus includes a waveguide bus defined in a first crystalline layer of the apparatus, for receiving incoming light, a resonator defined in the first crystalline layer, and a coupling structure defined in a second polysilicon or amorphous silicon layer of the apparatus, for coupling a selected wavelength of the incoming light from the waveguide bus to the resonator. | 01-15-2009 |
| 20090034908 | PHOTONIC GUIDING DEVICE - A photonic guiding device and methods of making and using are disclosed. The photonic guiding device comprises a large core hollow waveguide configured to interconnect electronic circuitry on a circuit board. A reflective coating covers an interior of the hollow waveguide to provide a high reflectivity to enable light to be reflected from a surface of the reflective coating. A collimator is configured to collimate multi-mode coherent light directed into the hollow waveguide. | 02-05-2009 |
| 20090046978 | Mirror-Embedded Optical Waveguide and Fabrication Method of Same - A mirror embedded optical waveguide according to the present invention comprises: a core; an angled cut face in the core; an adhesive layer on the angled cut face, the adhesive layer having approximately the same refractive index as that of the core; and a metal film on the adhesive layer, the metal film being formed by transfer. | 02-19-2009 |
| 20090074356 | Waveguide Comprising an Anisotropic Diffracting Layer - The invention relates to an edge-lit slab waveguide equipped with a slanted anisotropic holographic layer, which couples out linearly polarized light. The invention further relates a new slanted anisotropic holographic layer suitable for use on the waveguide according to the invention, to a method to prepare such layer, and devices comprising the waveguide according to the invention. | 03-19-2009 |
| 20090087140 | Attenuated optical splitter module - A compact optical splitter module is disclosed. One type of compact optical splitter module is a planar attenuated splitter module that includes a branching waveguide network having j≧1 50:50 splitters that form up to n≦2 | 04-02-2009 |
| 20090092356 | FABRICATION METHOD OF OPTICAL INTERCONNECTION COMPONENT AND OPTICAL INTERCONNECTION COMPONENT ITSELF - An optical fiber holder | 04-09-2009 |
| 20090092357 | OPTICAL MODULE - An optical module comprises: an optical element array comprising plural optical elements that emits or receives light; and an optical waveguide comprising a clad and plural cores respectively with optical path changing portions, the cores being disposed in the clad with an interval. The optical path changing portions are optically connected to the optical elements. The optical path changing portions are arranged in a first direction having an angle with respect to a formation direction of the cores, the first direction being corresponding to an arrangement direction of said plurality of optical elements. | 04-09-2009 |
| 20090103862 | WAVEGUIDE SYSTEM WITH DIFFRACTING STRUCTURE - An optical waveguide system includes an optical element, a three-dimensional diffracting structure positioned around the optical element, and a waveguide. The optical element and the diffracting structure are at least partially enclosed by the waveguide. | 04-23-2009 |
| 20090103863 | MULTI-CHANNEL RING-RESONATOR BASED WAVELENGTH-DIVISION-MULTIPLEXING OPTICAL DEVICE - Provided is a wavelength-division-multiplexing (WDM) device. The device includes an input waveguide, a plurality of ring resonators around the input waveguide, a plurality of output waveguides around the plurality of ring resonators, respectively, and at least one tuning clad pattern adjacent to at least one of the ring resonators, the tuning clad pattern covering a portion of a surface of a corresponding ring resonator. | 04-23-2009 |
| 20090103864 | OPTICAL TRANSMISSION LINE HOLDING MEMBER, OPTICAL MODULE AND MOUNTING METHOD THEREOF - An optical transmission line holding member includes a main body that mechanically positions and holds an optical transmission line, and an electrical interconnection used to mount an optical element. The main body includes a holding hole which opens in one surface of the main body and is used to mechanically position and hold the optical transmission line, an guide hole which opens in another surface of the main body, has a diameter larger than that of the holding hole and is coaxially aligned with the holding hole, and a resin storage groove provided in the guide hole. The electrical interconnection is formed on the surface in which the holding hole opens. | 04-23-2009 |
| 20090110350 | OPTICAL CABLE MODULE - An optical cable module has an optical waveguide formed by surrounding a core with a clad layer and a light-receiving/emitting element, installed on a supporting substrate. A light-releasing face of the optical waveguide or a light-incident face to the optical waveguide is aligned so as to face a light-receiving face or a light-emitting face of the light-receiving/emitting element. The optical waveguide is formed into a film shape having flexibility, and provided with a reinforcing member that prevents a deflection from occurring in the optical waveguide. The optical waveguide is placed on a protruding portion from a supporting face of the optical waveguide on the supporting substrate. | 04-30-2009 |
| 20090129727 | METHOD OF MANUFACTURING OPTICAL MODULE AND METHOD OF MANUFACTURING OPTICAL TRANSCEIVER - A method of manufacturing an optical module according to an aspect of the present invention includes: preparing a stem including a first lead and a second lead to transmit an electrical signal from a photonic device, the second lead being shorter than the first lead; preparing a member having a first hole and a second hole which are formed therein so as to correspond to the first lead and the second lead, respectively; inserting the first lead into the first hole; and inserting the second lead into the second hole after inserting the first lead into the first hole. | 05-21-2009 |
| 20090136177 | Micro-Optic Adapters and Tips for Surgical Illumination Fibers - A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery devices for customized light delivery of the light energy. The incorporation of precision micro structure optical components in injection molded plastic or glass parts will allow for inexpensive modification of the output light while also serving to protect the end of the illumination device. The micro structure optical components may also be incorporated in an adapter to tailor the light energy to the subsequent device. | 05-28-2009 |
| 20090142020 | OPTICAL MICROSTRUCTURES FOR LIGHT EXTRACTION AND CONTROL - The application of optical micro structures improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into direct contact or close proximity of a light guide to extract light through frustrated total internal reflection. Certain ones of the microstructures can act to assist in overcoming suction between the surface and the light guide. | 06-04-2009 |
| 20090148098 | DEVICE FOR COUPLING RADIATION INTO OR OUT OF AN OPTICAL FIBRE - A device for coupling multimode pump light and a laser signal into or out of a cladding-pumped fibre laser is disclosed, comprising an output optical fibre, a substantially un-tapered feed-through optical fibre, an annular waveguide having a tapered section, and a plurality of multimode pump fibres such that: the signal feed-through fibre is located within the annular waveguide; the signal feed-through fibre is fused into the annular waveguide in the tapered section so that the annular waveguide becomes an additional cladding layer of the feed-through fibre; the end of the feed-through fibre that is fused into the annular waveguide is optically coupled to the output optical fibre; the multimode pump fibres are optically coupled to the annular waveguide in the un-tapered section. Methods of forming the device are also disclosed. | 06-11-2009 |
| 20090162010 | ELECTRODE HAVING NANOFILAMENTS - An optical device includes optical layer and an electrode configured to reduce eddy currents. The electrode includes an electrically conductive base portion and a plurality of nanofilaments in connection with the electrically conductive base portion. The nanofilaments are configured to conduct an electric current between the optical layer and the base portion of the electrode. | 06-25-2009 |
| 20090162011 | Compositions, optical component, system including an optical component, devices, and other products - A composition useful for altering the wavelength of visible or invisible light is disclosed. The composition comprising a solid host material and quantum confined semiconductor nanoparticles, wherein the nanoparticles are included in the composition in amount in the range from about 0.001 to about 15 weight percent based on the weight of the host material. The composition can further include scatterers. An optical component including a waveguide component and quantum confined semiconductor nanoparticles is also disclosed. A device including an optical component is disclosed. A system including an optical component including a waveguide component and quantum confined semiconductor nanoparticles and a light source optically coupled to the waveguide component is also disclosed. A decal, kit, ink composition, and method are also disclosed. A TFEL including quantum confined semiconductor nanoparticles on a surface thereof is also disclosed. | 06-25-2009 |
| 20090169155 | OPTICAL INTERMEDIARY COMPONENT AND OPTICAL DAUGHTER CARD MODULE - An optical intermediary component is suitable for guiding a light from an output optical path into an input optical path. The optical intermediary component includes a light guiding portion extending along a light axis. The light guiding portion has a light incident surface and a light emitting surface at two opposite ends thereof respectively. The light from the output optical path passes through the light incident surface and the light emitting surface of the light guiding portion in sequence, and is guided into the input optical path. The area of the light incident surface is greater than that of the light emitting surface. Therefore, a high assembly tolerance may reduce the manufacturing and assembly cost. | 07-02-2009 |
| 20090175576 | SHAPED FIBER ENDS AND METHODS OF MAKING SAME - An optical fiber tip comprises a core and a recess formed in said core at a distal end of the optical fiber tip, said recess having a vertex within said core. | 07-09-2009 |
| 20090175577 | Three Color Digital Gobo System - A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the light output. The digital controlling device can be digital mirror devices, for example. | 07-09-2009 |
| 20090180734 | Method For Connecting Multicore Fibers To Optical Devices - A method for connecting a photonic crystal fiber having a plurality of cores connected to an optical device. An end of the photonic crystal fiber may be placed on a surface of an optical device having a plurality of coupling pads. A first core of the end of the photonic crystal fiber may be positioned over a first coupling pad on the optical device to enable a threshold amount of a coherent beam of light to propagate through the first core and first coupling pad. A second core of the end of the photonic crystal fiber is aligned to a second coupling pad on the optical device to enable a threshold amount of another coherent beam of light to propagate through the second core and second coupling pad. The end of the photonic crystal fiber may be adhered to the surface of the optical device while the position of the first and the second cores relative to the first and the second coupling pads, respectively, is maintained. | 07-16-2009 |
| 20090180735 | Integrated light source and optical waveguide and method - An optical system and method including an integrated light source and optical waveguide that relies on internal reflection for coupling the light emitted from the source to the waveguide. The light source may include electroded or electrodeless plasma lamps, LEDs, and filament lamps. The optical waveguide may be shaped to form a compound parabolic waveguide. A system may also include an integrated light source, microwave waveguide, and optical coupler. | 07-16-2009 |
| 20090220195 | OPTICAL DEVICE COMPRISING A COMPACT DISPERSING SYSTEM - A fibre optic transmission application, in particular, an optical device that can be incorporated into telecommunications equipment as well as into test and measurement equipment with reduced insertion loss, reduced crosstalk effects and reduced height, with increased versatility in the implementation of optical functions other than multiplexers and demultiplexers. Relates to components, modules, equipments and instruments such as multiplexers, demultiplexers, routers, channel monitors, and tunable filters that encompass such optical devices. | 09-03-2009 |
| 20090232449 | Erbium-Doped Silicon Nanocrystalline Embedded Silicon Oxide Waveguide - An erbium (Er)-doped silicon (Si) nanocrystalline embedded silicon oxide (SiOx) waveguide and associated fabrication method are presented. The method provides a bottom layer, and forms an Er-doped Si nanocrystalline embedded SiOx film waveguide overlying the bottom layer, having a minimum optical attenuation at about 1540 nanometers (nm). Then, a top layer is formed overlying the Er-doped SiOx film. The Er-doped SiOx film is formed by depositing a silicon rich silicon oxide (SRSO) film using a high density plasma chemical vapor deposition (HDPCVD) process and annealing the SRSO film. After implanting Er | 09-17-2009 |
| 20090232450 | Simple fiber optic cavity - A novel Fabry-Perot resonance cavity has been recognized. This cavity is formed by simple planar and concave mirrors that attached at the fiber ends. The concave mirror is precisely aligned to the core of the fiber. The concave lens is fabricated on the thin polymer film by making an indentation of correct geometry and smoothness. The concave mirror has multiple dielectric layers applied on the concave lens to achieve the final, desired optical characteristics. | 09-17-2009 |
| 20090232451 | LIGHT TRANSMITTING/RECEIVING DEVICE - An optical transmitting and receiving device enabling incident light from an exterior to be detected with high precision is provided. With an optical transmitting and receiving device | 09-17-2009 |
| 20090238516 | SUBSTRATES FOR OPTICAL DIE STRUCTURES - Package substrates for optical die structures are generally described. In one example, an apparatus includes a package substrate having one or more plated through hole (PTH) structures, an optical waveguide coupled with the package substrate, the optical waveguide having one or more input/output (I/O) optical signal pathways to route I/O signals to and from the package substrate, and one or more optical fibers coupled with the optical waveguide, the one or more optical fibers being disposed in the PTH structures to route I/O signals to and from a motherboard. | 09-24-2009 |
| 20090245729 | ULTRA SMALL CORE FIBER WITH DISPERSION TAILORING - Various embodiments of optical fiber designs and fabrication processes for ultra small core fibers (USCF) are disclosed. In some embodiments, the USCF includes a core that is at least partially surrounded by a region comprising first features. The USCF further includes a second region at least partially surrounding the first region. The second region includes second features. In an embodiment, the first features are smaller than the second features, and the second features have a filling fraction greater than about 90 percent. The first features and/or the second features may include air holes. Embodiments of the USCF may provide dispersion tailoring. Embodiments of the USCF may be used with nonlinear optical devices configured to provide, for example, a frequency comb or a supercontinuum. | 10-01-2009 |
| 20090252454 | Fiber-optic termination with brewster angled tip - A fiber-optic termination with Brewster angled tip is disclosed, which allows minimizing the reflection loss of a polarized light while maximizing the coupling of the refracted polarized light along the axis of the optical fiber. In a preferred embodiment, the fiber-optic termination has a Brewster angled tip which is free standing in air. The holding fixture may be water cooled to evacuate any heat that can occur at the input end of the optical fiber. Further embodiments include fiber array made of multiple fiber-optic terminations with Brewster angled tips for switching applications for example. | 10-08-2009 |
| 20090257712 | WAVEGUIDE WITH ASYMMETRIC OUTCOUPLING - A waveguide ( | 10-15-2009 |
| 20090285526 | Optical subassembly for in-and/or out-coupling of electromagnetic radiation into, and/or out of, a pressure-tight housing - An optical subassembly for in- and/or out-coupling of electromagnetic radiation of a predetermined wavelength, especially IR-radiation, into, and/or out of, a pressure-tight housing. The subassembly includes at least one housing wall section of the pressure-tight housing having at least one opening, wherein, in the opening, mechanical setting means are provided, with which a plug transparent for the electromagnetic radiation is set, wherein the transparent plug has two mutually oppositely lying, base surfaces and a cylindrical lateral surface, and wherein the setting means include as least one setting ring, characterized in the a volume region between at least a first section of the setting ring and at least a section of the cylindrical lateral surface is filled with a pressure-tight, potting compound. | 11-19-2009 |
| 20090297098 | PHOTONIC BAND GAP ROUTER - An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to selectively route a signal from the input wave guide to one or more of the output wave guides. | 12-03-2009 |
| 20100002993 | APPARATUS AND METHOD FOR EXCITATION OF A SINGLE MODE IN A WAVEGUIDE - A wave-guiding system and method for mode-selective transmission of a spatially coherent light beam is disclosed. The system comprises a wave-guide with an inlet and an outlet for transmitting one or more modes; a first mode-shaping optical element for shaping the spatially coherent light beam before it enters through the inlet of the wave-guide to a desired mode of the wave-guide; and a second mode-shaping optical element for shaping light beam after it exits from the outlet of the wave-guide for obtaining a desired vectorial field. | 01-07-2010 |
| 20100021109 | OPTICAL WAVEGUIDE FILM AND OPTICAL TRANSMITTER AND RECEIVER MODULE - An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core. | 01-28-2010 |
| 20100040328 | DISTRIBUTING OPTICAL POWER WITH A POWER BALANCE RATIO SUBSTANTIALLY CONSTANT OVER A BROADBAND OF WAVELENGTHS - Methods of using an optical device capable of distributing the optical power presented at an input to specified ratios in two output ports. The devices and methods described herein have the ability to broaden the range of wavelengths over which the splitting ratio is even, or substantially even. Methods involve achieving a desired splitting ratio over a broad or ultra-broad wavelength range. | 02-18-2010 |
| 20100074579 | POLYMER OPTICAL WAVEGUIDE AND METHOD OF PRODUCING THE SAME - A polymer optical waveguide includes: a core; and a cladding enclosing the core and extending along a direction of light propagation, the polymer optical waveguide having a substantially rectangular parallelepiped shape, and the polymer optical waveguide having, at least at a position near one end thereof in a longitudinal direction, a groove that has a surface inclined at an angle of 45° with respect to the light propagation direction which reflects light propagating through the core so as to change the light propagation direction by 90°. | 03-25-2010 |
| 20100080508 | LIGHT GUIDING LAYER WITH INTEGRATED MIXING AND LIGHT EXTRACTING REGION - A light guiding layer comprises an optical incoupling structure ( | 04-01-2010 |
| 20100086255 | OPTICAL WAVEGUIDE AND METHOD FOR FABRICATING THE SAME - Provided are an optical waveguide and a production method thereof which can constrict both the width and thickness of the SOI optical waveguide core layer in the same process and at the same time, simplify production process, and reduce optical losses. An optical waveguide includes a first clad layer formed on a semiconductor substrate; a first core layer formed on the upper side of the first clad layer with the use of a semiconductor material the refractive index of which is higher than that of the first clad layer; and a second clad layer formed on the upper side of the first core layer with the use of a material the refractive index of which is lower than that of the first core layer. The width of the first core layer is defined based on the width of an unoxidized semiconductor material sandwiched between oxide films the parts of which are thermally oxidized. The thickness of the first core layer is defined based on the thickness of an unoxidized semiconductor material sandwiched between the first clad layer and an oxide film the part of which is thermally oxidized. At least the input/output portion of the optical waveguide has a tapered waveguide portion where the width and thickness of the first core layer monotonically decreases or increases with respect to the propagation direction of light. | 04-08-2010 |
| 20100098378 | OPTICAL DEVICE FOR STORAGE AND PRODUCTION OF ENERGY - The present invention provides an optical device for inputting, producing, and storing energy. The device includes a core and a cladding surrounding said core, where the refractive index of the cladding is lower than the refractive index of the core. The device further includes at least one energy-capturing insert embedded in the core for capturing energy from the impact thereon of photons traveling through the core. | 04-22-2010 |
| 20100111472 | Substrate Guided Relay with Pupil Expanding Input Coupler - An optical substrate guided relay ( | 05-06-2010 |
| 20100135614 | OPTICAL WAVEGUIDE AND BI-DIRECTIONAL OPTICAL TRANSCEIVER - Disclosed are an optical waveguide and a bi-directional light transceiver, in which a wavelength selective filer is provided in the core of the optical waveguide to divide bi-directional signals, so that manual alignment of optical components are easily achieved and thus a small bi-directional light transceiver is realized and transmission/reception efficiency of light is enhanced. | 06-03-2010 |
| 20100142891 | COMPACT OPTICS FOR CONCENTRATION, AGGREGATION AND ILLUMINATION OF LIGHT ENERGY - A solar concentrator having a concentrator element for collecting input light, a redirecting component with a plurality of incremental steps for receiving the light and also for redirecting the light, and a waveguide including a plurality of incremental portions enabling collection and concentration of the light onto a receiver. Other systems replace the receiver by a light source so system optics can provide illumination. | 06-10-2010 |
| 20100166366 | SEALED BEAM COUPLER FOR AN ISOLATED ENVIRONMENT - A beam coupler assembly for a fiber laser is disclosed. The assembly includes a housing having a sidewall with an interior surface, an exterior surface, a first end and a second end. A first seal extending from the interior surface of the tubular housing and dividing the housing into a first section and a second section is also provided. The first section and second section are environmentally isolated from one another. However, the first seal is substantially optically neutral. An input collimator unit received within the first end of the sidewall of the housing and into the first section and is releasably coupled thereto. An output collimator unit received within the second end of the sidewall of the housing and into the second section and is also releasably coupled thereto. | 07-01-2010 |
| 20100202731 | OPTICAL WAVEGUIDE AND METHOD FOR MANUFACTURING THE SAME - An optical waveguide includes a cladding film and a core formed integrally with the cladding film. The core includes a light guide portion formed on one surface of the cladding film, a light input portion, and a light output portion, the light input portion and the light output portion being formed in through-holes formed in the cladding film. A mirror surface is respectively formed at a connecting portion between the light guide portion and the light input portion and a connecting portion between the light guide portion and the light output portion. In manufacturing the optical waveguide, the cladding film is brought into close contact with a surface of a mold, the surface having a recessed groove thereon, and a UV-curable resin is injected under pressure through one of the through-holes opened in the cladding film into the recessed groove. | 08-12-2010 |
| 20100220954 | SIGNAL PROCESSING APPARATUS - In the sending and receiving of a signal through an optical waveguide, an unknown substrate connected to the optical waveguide can be recognized. A signal processing apparatus | 09-02-2010 |
| 20100232746 | OPTICAL CONNECTOR AND OPTICAL COUPLING STRUCTURE - To provide an optical connector which enables heat generated by an optical interface module arranged on the lower surface of the optical connector to be efficiently dissipated from the upper surface of the optical connector. The optical connector includes an optical transmission path | 09-16-2010 |
| 20100239207 | HIGH EFFICIENCY OPTICAL COUPLER - An optical coupling device enabling spherical or hemispherical light sources to be more fully utilized by gathering more of the emitted radiation and reducing the angle of emission. The optical coupling device includes a first conic reflector having an aperture at the first conic reflector vertex; a second conic reflector coaxial with the first conic reflector and opening toward the first conic reflector; a light source positioned at the second conic reflector vertex; and a negative element located at the aperture for reducing the numerical aperture of the light emitted from the optical coupling device. The optical coupling device may include a refractive medium between the first and second conic reflectors. The present invention provides for improved efficiencies when transferring or coupling optical energy into additional optical systems, and may be used with solid state light as well as conventional sources. | 09-23-2010 |
| 20100239208 | Optical Collector and Device with Optical Collector - An optical collector includes an optical input for incoupling light from multiple incoming optical waveguides into the collector and an optical output for outcoupling light from the collector into an outgoing optical waveguide. The collector includes an optical body having a base portion in which the optical input including at least two coupling points is arranged, and a tip portion in which the optical output including a second coupling point is arranged, wherein the first coupling points each include an optical input cross-sectional area and the second coupling point comprises an output cross-sectional area, and wherein the output cross-sectional area is smaller than the total of all input cross-sectional areas. The optical body of the collector can be cone-shaped and may include a hollow cone. | 09-23-2010 |
| 20100272392 | ELIMINATION OF STITCH ARTIFACTS IN A PLANAR ILLUMINATION AREA - In one aspect, a planar illumination area includes two light-guide elements, each with an out-coupling region. At least a portion of each out-coupling region overlaps with at least a portion of the other. The overlapping region emits a substantially uniform light output power. | 10-28-2010 |
| 20100278479 | MEMRISTIVE ARRAY WITH WAVEGUIDE - A device includes one or more waveguides and a memristive array adjacent to the waveguide(s). The memristive array is programmable to form a pattern that diffracts light and couples diffracted light into or out of the waveguide(s). | 11-04-2010 |
| 20100284649 | VARIABLE WAVELENGTH LIGHT SOURCE, OPTICAL MODULE AND MANUFACTURING METHOD OF VARIABLE WAVELENGTH LIGHT SOURCE - The variable wavelength light source includes a multiple ring resonator including a plurality of resonators, photodetectors which detect light powers outputted from at least two out of the plurality of resonators via throughports, a plurality of variable light units for changing the transmittance of the multiple ring resonator by individually working on at least two out of the plurality of resonators, a light input/output unit which supplies the light to the multiple resonator and emits the light returned from the multiple resonator towards the outside, and a control unit which controls the plurality of variable light units in accordance with the light power detected by the photodetectors, wherein light attenuators are arranged between the throughports and the photodetectors for attenuating the light emitted from the throughports before making incident on the photodetectors. | 11-11-2010 |
| 20100296775 | OPTICAL SPLITTER, COMBINER AND DEVICE - An optical splitter, a combiner and a device. The optical splitter comprises a first longitudinal waveguide for receiving an incoming light wave; at least first and second pairs of output waveguides, the output waveguides of each pair being disposed on opposite sides of the first waveguide; wherein each of the output waveguides of each pair comprises a longitudinal portion disposed parallel to the first waveguide and such that optical power is coupled from the first waveguide into the respective longitudinal portions and the longitudinal portions of output waveguides of the first and second pairs are displaced along a length of the first waveguide; wherein each of the output waveguides of each pair further comprises a substantially S-shaped portion continuing from the respective longitudinal portions and such that optical power coupling between the respective S-shaped portions of output waveguides of the first and second pairs is substantially inhibited. | 11-25-2010 |
| 20100329604 | OPTICAL CONNECTOR - An optical connector that requires no complicated fabrication operation such as highly accurate optical axis alignment and that permits an efficient pick up of part of the communication signal light being on-propagation along an optical transmission line, is provided. The optical connector | 12-30-2010 |
| 20110019961 | OPTICAL MIXER - When a waveguide of second signal light outputted from a first optical coupler intersects a waveguide of first local light outputted from a second optical coupler, a waveguide of a first signal light outputted from the first optical coupler and a waveguide of a second local light outputted from the second optical coupler are each provided with a loss compensation intersecting waveguide that compensates for loss that occurs when the waveguide of the second signal light outputted from the first optical coupler intersects the waveguide of the first local light outputted from the second optical coupler. | 01-27-2011 |
| 20110058770 | SUB-SURFACE ENGRAVING OF OLED SUBSTRATES FOR IMPROVED OPTICAL OUTCOUPLING - An electronic device includes a radiation-emitting component, a radiation-responsive component, or a combination thereof. In one embodiment, the introduction of scattering sites into a substrate of the radiation emitting electronic device will increase optical outcoupling. In one embodiment, the substrate can be glass or plastic and a laser is used as a sub-surface engraving tool to produce scattering sites. | 03-10-2011 |
| 20110081110 | Fiber Spectroscopic Probe Mountable On a Microscope - A fiber spectroscopic probe that can be mounted directly above the objective lens of a standard microscope to add a spectroscopic function to the microscope. The fiber spectroscopic probe only consists of a minimum number of optical components and is compact enough to induce minimum alteration to the optical path of the microscope. | 04-07-2011 |
| 20110150390 | IN-PLANE OPTICAL WAVE GUIDE WITH AREA BASED SPLITTER - An optical interconnect includes a set of splitters. Each splitter includes a source waveguide, a reflection waveguide, an output waveguide, and a partially reflective mirror element with a reflective coating. The source waveguide and the reflection waveguide are optically coupled to the partially reflective element. A photonic signal from the source waveguide is partially reflected off the reflective coating as a reflected signal into the reflection waveguide. The output waveguide is optically coupled to the opposite surface and configured such that a non-reflected portion of the photonic signal propagates into the output waveguide. The reflective coating includes a reflected surface area interfacing with the photonic signal form the source waveguide, and power of the non-reflected portion is a function of the reflective surface area interfacing with source waveguide. | 06-23-2011 |
| 20110176769 | Spherical optical splitter/combiner - This disclosure describes a device that belongs to the field of optical devices. More specifically it is a novel way of achieving light splitting or combining using a spherical reflector with a single input and multiple outputs, or multiple inputs and a single output. | 07-21-2011 |
| 20110182546 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes an optical fiber, a molded portion covering an end portion and an end face of the optical fiber, the molded portion including a transparent resin transparent to light inputted and outputted through the optical fiber and a light input/output surface perpendicular to an optical axis of the optical fiber, electric wirings oppositely formed on the light input/output surface of the molded portion so as to sandwich a light input/output portion through which the light inputted and outputted through the optical fiber passes, and an optical device mounted on the electric wirings so as to stride over the light input/output portion. The optical device includes a surface light-emitting element or a surface light-receiving element optically coupled to the optical fiber through the molded portion. | 07-28-2011 |
| 20110194815 | DIELECTRIC WAVEGUIDE INTERSECTION WITH REDUCED LOSSES - A waveguide intersection includes an input waveguide and an output waveguide; a crossing waveguide intersecting the input waveguide and the output waveguide to form an intersection; and a block that is optically joined to the intersection such that a guided mode is produced within the intersection. A method of reducing optical losses within a waveguide intersection includes increasing a cross-sectional height of an intersection such that optical energy passing through the intersection is laterally confined. | 08-11-2011 |
| 20110211789 | PHASE PLATE AND PHASE PLATE MANUFACTURING METHOD - The invention relates to a phase plate which is easy to manufacture such as to have a desirable characteristic and the like. The phase plate ( | 09-01-2011 |
| 20110229075 | OPTICAL WAVEGUIDE DEVICE AND MANUFACTURING METHOD OF OPTICAL WAVEGUIDE DEVICE - A 90-degree optical hybrid interferometer having an optical path length difference to a pair of the optical signal waveguide arm and the local oscillator optical waveguide arm at either the I phase side or the Q phase side at the TE optical signal side and the TM optical signal side respectively thus giving a phase delay to output interference signals of the I phase side and the Q phase side. The 90-degree optical hybrid interferometer has eight output ports arranged in order of Ip, In, Qp, and Qn at both the TE side and the TM side respectively, by setting the output phase difference which is the sum of the phase difference according to the optical path length difference and phase conversion characteristics of each optical coupler at the I phase side and the Q phase side and the phase delay, as +π/2. | 09-22-2011 |
| 20110235971 | SEMICONDUCTOR OPTICAL DEVICE - A semiconductor optical device includes a first optical waveguide including first, second, and third sections; a second optical waveguide including fourth, fifth, and sixth sections; an input optical coupler; and an output optical coupler. The first and second optical waveguides and the input and output optical couplers each include a first cladding layer composed of an n-type semiconductor and a core layer. The second and fifth sections each include an intermediate semiconductor layer on the core layer, and a second cladding layer composed of an n-type semiconductor. The first, third, fourth, and sixth sections and the input and output optical couplers each further include a third cladding layer on the core layer. At least one of the third cladding layers includes a first cladding section on the core layer and a second cladding section on the first cladding section. The second cladding section is composed of a semi-insulating semiconductor. | 09-29-2011 |
| 20110243499 | OPTICAL WAVEGUIDE AND OPTICAL WAVEGUIDE MANUFACTURING MEMBER - An optical waveguide includes a clad layer, a core layer and a clad layer which are laminated together in this order from a lower side thereof. Within the core layer, a core portion and a side clad portion provided adjacent to the core portion so as to surround side surfaces of the core portion are formed. Further, a part of the side clad portion prevents a left side end of the core portion from being exposed outside. A mirror formation region is constituted from a region consisting of such a part of the side clad portion and a part of each of the clad layers located thereabove and therebelow. This mirror formation region is subjected to digging processing so that a concave portion is formed. An inner surface of this concave portion serves as the mirror. From the mirror, a material other than a material constituting the core portion, that is, a material constituting each of the clad layers and a material constituting the side clad portion are exposed. | 10-06-2011 |
| 20110243500 | LIGHT GUIDES HAVING ENHANCED LIGHT EXTRACTION - Lightguides, devices incorporating lightguides, processes for making lightguides, and tools used to make lightguides are described. A lightguide includes light extractors arranged in a plurality of regions on a surface of the lightguide. The orientation of light extractors in each region is arranged to enhance uniformity and brightness across a surface of the lightguide and to provide enhanced defect hiding. The efficiency of the light extractors is controlled by the angle of a given light extractor face with respect to a light source illuminating the light guide. | 10-06-2011 |
| 20110249936 | TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP - A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to received all the signal outputs from the modulated sources and provide a combined output signal on an output waveguide from the chip. The modulated sources, combiner and output waveguide are all integrated on the same chip. | 10-13-2011 |
| 20110249937 | OPTICAL WAVEGUIDE CIRCUIT AND MANUFACTURING METHOD OF OPTICAL WAVEGUIDE CIRCUIT - An optical waveguide device includes an optical branch device for branching a first input light and outputting the branched first input light to a first and a second optical waveguides, another optical branch device, arranged between the first and the second optical waveguides, for branching a second input light and outputting the branched second input light to a third and a fourth optical waveguides, an optical coupler which couples the lights traveling along the first and the third optical waveguides, then branches the coupled lights, and outputs them; and another optical coupler which couples the lights traveling along the second and the fourth optical waveguides, then branches the coupled lights, and outputs them, wherein optical path lengths of either a pair of the first and the second optical waveguides or a pair of the third and the fourth optical waveguides are set to be equal. | 10-13-2011 |
| 20110255828 | SAPPHIRE-BASED DELIVERY TIP FOR OPTIC FIBER - An article of manufacture is provided that includes an optic fiber comprising a core and a cladding surrounding the core and a sapphire tube bonded to the optic fiber. A total internal reflection surface is positioned such that light guided within the core of the optic fiber reflects off the total internal reflection surface and through the sapphire tube. In other embodiments, a sapphire rod having a total internal reflection surface is fused to an optic fiber comprising a core and a cladding surrounding the core. A glass coating is present on the exterior surface of portions of the sapphire rod such that the glass coating defines an opening that exposes portions of the sapphire rod where light exits the sapphire rod after reflecting off the total internal reflection surface. | 10-20-2011 |
| 20110280515 | COUPLED PLASMONIC WAVEGUIDES AND ASSOCIATED APPARATUSES AND METHODS - An apparatus and corresponding method in which the apparatus includes a dielectric waveguide and a metallic waveguide. The dielectric waveguide has an effective mode index and a longitudinal dimension. The metallic waveguide has a longitudinal dimension and supports a surface plasmonic mode of propagation for a wavelength lambda. The metallic waveguide and the dielectric waveguide are adjacent to each other and overlap each other by a length along the longitudinal dimensions of both the dielectric waveguide and the metallic waveguide, wherein the length is greater than the wavelength lambda in the metallic waveguide. The metallic waveguide is coupled to the dielectric waveguide where the metallic waveguide and the dielectric waveguide overlap each other. | 11-17-2011 |
| 20110293219 | Chiral Fiber System and Method for Providing Configurable Light Extraction from Optical Waveguides in Accordance with at Least One Predetermined Light Extraction Profile - The system and method of the present invention advantageously enable controllable light extraction from optical fiber waveguides and offer highly configurable light signal guidance and control capabilities, as well as additional advantageous features associated with waveguides, by providing, in various exemplary embodiments thereof, a multitude of novel techniques by which the parameters relating to utilization of various light signals (such as direction of their emission, magnitude of the emission, physical surface area of the emission, etc.), can be readily controlled and configured as a matter of design choice. Additionally, the inventive system and method, in various exemplary embodiments thereof, also enable and facilitate selective configuration of, and/or control over, various characteristics of the light signals guided/controlled/extracted thereby, such as the signals' wavelength, polarization, intensity, amplitude, etc. The system and method of the present invention further advantageously provide various embodiments of the novel optical fiber waveguides with one or more selected desirable and useful light extraction profiles, that may be configured as a matter of design choice in connection with the intended purpose, and/or the desired functionality, of the corresponding fiber waveguide component(s). | 12-01-2011 |
| 20120070116 | OPTICAL WAVEGUIDE FOR TOUCH PANEL - An optical waveguide for a touch panel is provided which is not deteriorated in quality and which decreases or eliminates an undetectable region, even when increased in size. The optical waveguide is configured to be disposed along the periphery of a display screen of a display of a touch panel. The optical waveguide includes light-emitting optical waveguide sections, and light-receiving optical waveguide sections. At least one of the light-emitting optical waveguide sections and at least one of the light-receiving optical waveguide sections are joined together in an alternating pattern along one edge of the display screen. The light-emitting optical waveguide sections and the light-receiving optical waveguide sections are opposed to each other, with the screen therebetween. | 03-22-2012 |
| 20120070117 | OPTICAL WAVEGUIDE DEVICE AND OPTICAL TOUCH PANEL - In an optical touch panel of the present invention, at a light-emitting side, there is provided an optical waveguide device, in which a light input end of an optical waveguide laminate laminated by a plurality of optical waveguides is optically coupled to a two-dimensional light-emitting element. At a light-receiving side thereof, there is provided an optical waveguide device, in which a light output end of an optical waveguide laminate laminated by a plurality of optical waveguides is optically coupled to a two-dimensional light-receiving element. | 03-22-2012 |
| 20120082414 | OPTICAL 90-DEGREE HYBRID CIRCUIT - An optical 90-degree hybrid circuit includes: first and second optical splitters for receiving and splitting a first and second light beam into two, respectively; a first optical coupler for generating an interfering light beam by multiplexing one of the light beams split by the first optical splitter and the second optical splitter; and a second optical coupler for generating an interfering light beam by multiplexing another one of the light beams split by the first optical splitter and the second optical splitter. The first optical splitter includes an optical coupler configured to output two light beams having equal phases, and the second optical splitter includes an optical coupler configured to output two light beams having a phase difference of 90 degrees. | 04-05-2012 |
| 20120134624 | OPTOELECTRONIC TRANSMISSION DEVICE - An optoelectronic transmission device includes a base, a first optical fiber, a second optical fiber, an optical signal source, a light detector, a carrier, and a monocrystalline-silicon reflector. The first optical fiber transmits first light. The second optical fiber transmits second light. The optical signal source emits the first light. The light detector receives and converts the second light into electrical signals. The carrier has a first through hole and a second through hole. The first optical fiber is received in the first through hole. The second optical fiber is received in the second through hole. The monocrystalline-silicon reflector is positioned on the base and covers the light detector and the optical signal source. The monocrystalline-silicon reflector internally totally reflects the first light from the optical signal source to the first optical fiber and internally totally reflects the second light from the second optical fiber to the light detector. | 05-31-2012 |
| 20120141067 | OPTICAL 90-DEGREE HYBRID CIRCUIT - The present invention provides an optical 90-degree hybrid circuit for reducing wavelength dependency of an IQ phase difference. An optical 90-degree hybrid circuit according to the present invention comprises a first demultiplexing optical coupler including a first and second input port, a second demultiplexing optical coupler including a third and fourth input port, first and second arm waveguides connected to the first and second input port, each having the same length, a third and fourth arm waveguides connected to the third and fourth input port, each having the same length, a 90-degree phase shift section installed in one of the first to fourth arm waveguides, a first optical coupler connected to the first and third arm waveguide, and a second optical coupler connected to the second and fourth arm waveguide, the light is inputted into the first and fourth input port or into the second and third input port. | 06-07-2012 |
| 20120155800 | METHODS AND APPARATUS FOR A FIBER OPTIC DISPLAY SCREEN HAVING AN ADJUSTABLE SIZE - Methods and apparatus for a fiber optic display screen of adjustable size. In one embodiment, a screen comprises: a plurality of pixels formed by a terminal end of at least one optical fiber, wherein the pixels are substantially equidistant from each other along a first axis in a first screen size and in a second screen size that is larger than the first size. | 06-21-2012 |
| 20120155801 | NANOTUBE BASED OPTICAL FUSE DEVICE AND METHOD - An optical fuse or energy-switching-off device includes an optical waveguide having an input section and an output section, the two sections forming a pair of opposed surfaces extending transversely through the axes of the waveguide sections. A substantially transparent material is disposed between the opposed surfaces and comprises an electrically conductive nanotube web immersed in dielectric material, where the nanotubes are not in electrical contact with each other. The substantially transparent material forms a plasma when exposed to optical signals propagating within the optical waveguide with an optical power level above a predetermined threshold, and the plasma damages the opposed surfaces sufficiently to render the surfaces substantially opaque to light propagating within the input section of the optical waveguide so as to prevent the transmission of such light. | 06-21-2012 |
| 20120170890 | Miniature Pluggable Video Module - A miniature pluggable video module having a length less than one inch, and a width less than three quarters of an inch, and a plurality of pin connectors attached to the back of the housing. The pluggable video module can be mounted horizontally or vertically. Inputs and outputs of the module can be adapted to include various types of optical or electrical connectors. The inputs and outputs of the module can be modified into various combinations of optical or electrical configurations, and the combinations of inputs and outputs also can be modified. | 07-05-2012 |
| 20120195550 | METHOD OF MAKING OPTICAL MICROSTRUCTURE PATTERN ON LIGHT GUIDE PLATE, LIGHT GUIDE PLATE THEREOF AND IMPRINTING MOLD - The present invention discloses a method of making an optical microstructure patterns on a light guide plate, a light guide plate thereof and a imprinting mold. The method of making the optical microstructure patterns on the light guide plate includes a step of bombarding the surface of a substrate to form a micro notch thereon by laser, in which the periphery of the micro notch has as at least a protrusion, and a step of bombarding the protrusion to at least downsize the protrusion by another laser. | 08-02-2012 |
| 20120207431 | OPTICAL DEVICE UTILIZING OPTICAL WAVEGUIDE AND DISPLAY DEVICE - In one embodiment, in an optical device, a bar-shaped optical waveguide has either a polygonal or circular cross-sectional shape. A light entry portion is formed in a circumferential area of a first-end surface of the optical waveguide. The light entry portion includes a sloping surface having a normal vector containing a component in a circumferential direction of the first-end surface. An incident light beam travels towards a second-end surface of the optical waveguide while repeating total reflections on a side surface of the optical waveguide. The incident light beam travels without passing through a central portion in a cross section of the optical waveguide. A light exit portion is formed in the side surface of the optical waveguide. The light exit portion is configured to let the light beam in the optical waveguide out of the optical waveguide. | 08-16-2012 |
| 20120207432 | FLAT-PANEL OPTICAL PROJECTION APPARATUS WITH REDUCED DISTORTION - A light guide of the tapered-waveguide type includes an input slab for expanding a projected image between an input end and an output end; and a tapered output slab arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide is greater in the transverse direction away from the centre line, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion. | 08-16-2012 |
| 20120224808 | RECEIVING METHOD AND SEPARATING APPARATUS FOR LIGHT OUTPUTTED FROM MULTI-CORE OPTICAL FIBER - According to the present invention, as a result of using a depressed or trench-assisted light-receiving waveguide in which the core is surrounded by a layer having a refractive index lower than that of a cladding as light-receiving means for receiving light outputted from a multi-core optical fiber, the layer of a low refractive index can inhibit the propagation of noise, etc. from the cladding to the core. Consequently, even in cases where the inter-core crosstalk is small, it is possible to accurately measure the inter-core crosstalk since components different from crosstalk-derived components in optical power are reduced. | 09-06-2012 |
| 20120230632 | COMPACT OPTICAL FIBER AMPLIFIER - The present invention provides a compact optical fiber amplifier, which can minimize the size of an optical module and increase the degree of freedom in mounting the module on a board. The compact optical fiber amplifier according to the present invention includes: an optical module including a plurality of optical elements provided therein, an input port for introducing an optical fiber thereinto, and an outlet port for extract the optical fiber to the outside of the module; and a plurality of optical fibers introduced into or extracted from the optical module through the input port or the outlet port of the optical module and disposed above a predetermined radius of curvature on the outside of the optical module. | 09-13-2012 |
| 20120275745 | Systems and Methods for Coupling Light into a Transparent Sheet - Systems and methods for coupling light into a transparent sheet. The systems include a light source and a light-diffusing optical fiber optically coupled to the light source. The light-diffusing optical fiber has a core, a cladding and a length, with at least a portion of the core comprising randomly arranged voids configured to provide substantially continuous light emission from the core and out of the cladding along at least a portion of the length, and into the transparent sheet. | 11-01-2012 |
| 20120288230 | Non-Reflective Optical Connections in Laser-Based Photoplethysmography - An embodiment of a light delivery portion of a photoplethysmographic device having a series of two or more optical elements. The series of two or more optical elements ( | 11-15-2012 |
| 20120301076 | METHOD AND DEVICE FOR COUPLING LASER LIGHT DERIVED FROM AT LEAST TWO LASER SOURCES INTO ONE OPTICAL FIBER - The invention consists in passing a laser beam ( | 11-29-2012 |
| 20120308181 | TWO-DIMENSIONAL COUPLED RESONATOR OPTICAL WAVEGUIDE ARRANGEMENTS AND SYSTEMS, DEVICES, AND METHODS THEREOF - Two-dimensional coupled resonator optical waveguide arrangements and systems, devices, and methods thereof. Networks of coupled resonator optical waveguides are arranged so as to exploit topological properties of these optical networks. Such arrangement affords topological protection against disorders or perturbations in the network that may hinder or block photon flow. As a result of a disorder, photons traversing along edge states of the array are rerouted based on the disorder or perturbation. Photon routing in the network is accordingly protected against disorder or defects. | 12-06-2012 |
| 20120308182 | OPTICAL FIBER FILTER DEVICE AND METHOD FOR MANUFACTURING THE SAME - An optical fiber filter device comprises: a first fiber pigtail assembly ( | 12-06-2012 |
| 20120314995 | ULTRA SMALL CORE FIBER WITH DISPERSION TAILORING - Various embodiments of optical fiber designs and fabrication processes for ultra small core fibers (USCF) are disclosed. In some embodiments, the USCF includes a core that is at least partially surrounded by a region comprising first features. The USCF further includes a second region at least partially surrounding the first region. The second region includes second features. In an embodiment, the first features are smaller than the second features, and the second features have a filling fraction greater than about 90 percent. The first features and/or the second features may include air holes. Embodiments of the USCF may provide dispersion tailoring. Embodiments of the USCF may be used with nonlinear optical devices configured to provide, for example, a frequency comb or a supercontinuum. | 12-13-2012 |
| 20120321247 | Heat Dissipating Optical Element and Lighting System - Designs and manufacturing methods are provided for lighting components and systems with improved performance in luminous efficacy, total lumen output, product lifetime, and form factor through the use of optical composites with improved thermal management. Some embodiments also provide designs and manufacturing methods to minimize thermal warpage and increase the rigidity of optical films and sheets through improved balance of thermal stresses. | 12-20-2012 |
| 20120321248 | MULTI-STAGE OPTICAL INTERLEAVING - Methods and devices are provided to facilitate production of optical signals that exhibit reduced crosstalk noise and intersymbol interference. In some configurations, a multi-stage optical interleaver, including a first and a second optical interleaver, is used to process a first and a second set of input optical channels. The composite optical output of the multi-stage interleaver includes the first set of optical channels and the second set of optical channels, where each of the first and second set of input optical channels is processed once by the first optical interleaver and once by the second optical interleaver. As such, the first and second sets of input optical channels are each filtered twice using only two optical interleavers. | 12-20-2012 |
| 20130004122 | MULTI-PORT OPTICAL CONNECTION TERMINAL ASSEMBLIES SUPPORTING OPTICAL SIGNAL SPLITTING, AND RELATED TERMINALS AND METHODS - Multi-port optical connection terminal assemblies, related terminals and methods are disclosed herein. In one embodiment, a multi-port optical connection terminal assembly may include an enclosure including an internal cavity, an input orifice, and optical connection nodes. The multi-port optical connection terminal assembly may also include an optical splitter comprising a body, an input optical fiber, and output optical fibers. At least a portion of the body of the optical splitter may be disposed outside the internal cavity of the enclosure. The input optical fiber of the optical splitter may be disposed outside the internal cavity of the enclosure, and the plurality of the output optical fibers of the optical splitter may be disposed inside the internal cavity. In this manner, the enclosure of the multi-port optical connection terminal assembly is not required to be sized to completely contain the optical splitter. | 01-03-2013 |
| 20130004123 | OPTICAL WAVEGUIDE AND AN OPTICAL WAVEGUIDE DEVICE - Optical path length difference should be correctly controlled for a pair of optical waveguides even in the pair of the optical waveguides which include combination of a large number of curved waveguide portions. | 01-03-2013 |
| 20130011097 | LIGHT GUIDE DEVICE HAVING MULTI CHANNELS - A new concept of the light guide device has developed to have multi channels, the present invention comprises: a transparent body through which light can freely pass; channel condensing units disposed at predetermined intervals on the body to form a plurality of one-dimensional arrays; an optical module unit for independently sighting incident light, and re-sighting and focusing light which passes through the one-dimensional arrays formed by the channel condensing units disposed at predetermined intervals in the body; and a fiber channel module for creating independent light passages (fiber channels) which condense light from the left, right, up and down aspects of the optical module unit, at a one-to-one correspondence between the body and the optical module unit. The present device maximizes the efficiency of the solar energy utilization by reducing the guide distance of incident light. The simplified structure is easy to produce and install by using a flat, slim plate that is compact in size, lowering the production cost. | 01-10-2013 |
| 20130022313 | Optical Devices and Methods of Making and Using the Same - A bi-directional fiber optical subassembly, including a laser diode, a photodiode and an optical fiber, an optical transceiver including the same, and methods of making and using the same are provided. An antireflection unit is added to a position facing the photodiode within the transceiver. The antireflection unit is configured to decrease or eliminate reflected light interference within the transceiver. The present subassembly, transceiver, and methods can reduce, minimize, or prevent interference, and the performance of the optical subassembly can also be enhanced by decreasing or eliminating reflected light interference within the transceiver. | 01-24-2013 |
| 20130022314 | DYNAMIC RANGE ALIGNMENT TOLERANT OPTICAL COUPLING FOR FIBER OPTIC COMMUNICATIONS - In one exemplary embodiment, an optical coupler of a fiber optic system can include a light-source input cavity packaged in an outer casing. The cavity can receive an optical signal from a light source. An optical collimator packaged in the outer casing such that a receiving end of the optical collimator can receive the light source from the light-source input cavity. The optical collimator can include at least one beam forming stage. The optical collimator can generate a collimated beam output from the optical signal. An optical cavity can receive the collimated beam output of the optical collimator. The optical cavity can be coaxially included in a receiving optical fiber coupled with the outer casing coupled with optical cavity. The optical cavity can receive the collimated beam output of the optical collimator and input the collimated beam into the receiving optical fiber. | 01-24-2013 |
| 20130022315 | OPTICAL STACK AND LIGHTGUIDES - Optical stack is disclosed. The optical stack includes a first optical stack that includes, a first optical adhesive layer, and a reflective polarizer layer that is disposed on the first optical adhesive layer. The reflective polarizer layer substantially reflects light of a first polarization state and substantially transmits light of a second polarization state orthogonal to the first polarization state. The optical stack also includes a second optical stack that includes a second optical adhesive layer, a low index layer that is disposed on the second optical adhesive layer and includes a plurality of voids dispersed in a binder, and a light directing film that is disposed on the low index layer and includes a plurality of unitary discrete structures. Portions of each unitary discrete structure penetrate into the first optical adhesive layer. Portions of each unitary discrete structure do not penetrate into the first optical adhesive layer. Each unitary discrete structure defines a penetration depth and a penetration base at the interface between the penetrating and non-penetrating portions of the unitary discrete structure. The penetration base has a minimum penetration base dimension. The plurality of unitary discrete structures has an average penetration depth and an average minimum penetration base dimension. The ratio of the average penetration depth to the average minimum penetration base dimension is at least 1.5. The peel strength between the first and second optical stacks is greater than about 30 grams/inch. | 01-24-2013 |
| 20130028558 | Wedge Light Guide - In one or more embodiments, wedge light guides are constructed that are monolithic in nature and include integrally-formed optical concentrators. The wedge light guide and its associated optical concentrators are defined by a mold. In at least some embodiments, structure within the mold that defines the optical concentrators can be used as injection ports through which formation material can be injected to form the monolithic wedge light guide. | 01-31-2013 |
| 20130064502 | Plasmonic Transducer Having Two Metal Elements with a Gap Disposed Therebetween - A plasmonic transducer includes at least two metal elements with a gap therebetween. The metal elements are elongated along a plasmon-enhanced, near-field radiation delivery axis. Cross sections of the metal elements in a plane normal to the delivery axis vary in shape along the delivery axis. A waveguide is disposed along an elongated side of the plasmonic transducer. The waveguide is optically coupled to the plasmonic transducer along the elongated side. | 03-14-2013 |
| 20130071062 | PLASMONIC TRANSDUCER WITH REDUCED CROSS SECTION AT MEDIA-READING SURFACE - A plasmonic transducer includes at least two metal elements with a gap therebetween. The metal elements are placed along a plasmon-enhanced, near-field radiation delivery axis. Cross sections of the metal elements in a plane normal to the delivery axis vary in shape along the delivery axis. The metal elements have a reduced cross section portion at a media-facing surface oriented normal to the delivery axis. A dielectric material surrounds the reduced cross section portion of the plasmonic transducer at the media-facing surface, and reduces deformation of the metal elements proximate the media-facing surface at elevated temperatures. | 03-21-2013 |
| 20130156372 | OPTICAL COUPLING MODULE AND METHOD FOR MANUFACTURING THE SAME - An optical coupling module includes a substrate, a circuit board defining two through holes, an optical waveguide positioned between the substrate and the circuit board, and an optical assembly. The optical waveguide includes a core and a clad, each core comprises two coupling surfaces corresponding to the two through holes. At least one coupling surfaces is in an arcuate shape. The clad covers the core, except for the two coupling surfaces exposing out of the clad. The optical assembly formed on the circuit board comprises an optical emitting element and an optical receiving element. The optical emitting element and the optical receiving element are positioned above the two through holes, respectively. Light emitted from the optical emitting element enters the optical waveguide via one of the coupling surface, and leaves from another coupling surface to reach the optical receiving element. The coupling surface is capability of focusing light. | 06-20-2013 |
| 20130216182 | OPTICAL LIGHT GUIDE COUPLER - An optical light guide coupler for coupling at least two light guides comprises an input face and an output face, wherein the optical light guide coupler is configured to receive light from a first light guide having a stepped output profile and is configured to transmit that light to a second light guide having a non-stepped profile. The input face of the light guide coupler is registered to the stepped output profile of the first light guide and the output face of the light guide coupler is at least one of rectilinear and curved. | 08-22-2013 |
| 20130243376 | OPTICAL COUPLING STRUCTURE AND OPTICAL TRANSMISSION APPARATUS - An optical coupling structure includes a light source that emits light; and an optical waveguide that has on a given end, a mirror surface that reflects the light emitted from the light source, the optical waveguide guiding the light reflected by the mirror surface to another end. In the optical coupling structure, a traveling direction of the light emitted from the light source is inclined toward the given end of the optical waveguide and is, with respect to a normal line of the mirror surface, at an angle that is greater than 45 degrees and that satisfies a condition for complete reflection of light on the mirror surface and a condition for complete reflection of light in the optical waveguide. | 09-19-2013 |
| 20130279850 | THREE-DIMENSIONAL PERIODIC DIELECTRIC STRUCTURES HAVING PHOTONIC DIRAC POINTS - The dielectric, three-dimensional photonic materials disclosed herein feature Dirac-like dispersion in quasi-two-dimensional systems. Embodiments include a face-centered cubic (fcc) structure formed by alternating layers of dielectric rods and dielectric slabs patterned with holes on respective triangular lattices. This fcc structure also includes a defect layer, which may comprise either dielectric rods or a dielectric slab with patterned with holes. This defect layer introduces Dirac cone dispersion into the fcc structure's photonic band structure. Examples of these fcc structures enable enhancement of the spontaneous emission coupling efficiency (the β-factor) over large areas, contrary to the conventional wisdom that the β-factor degrades as the system's size increases. These results enable large-area, low-threshold lasers; single-photon sources; quantum information processing devices; and energy harvesting systems. | 10-24-2013 |
| 20130287338 | Optical Couplers And Methods For Making Same - The present invention relates generally to optical waveguides for the transmission of electromagnetic energy. The present invention relates more particularly to optical couplers for coupling optical fibers, and methods for making them. One aspect of the present invention is an optical coupler for use with a polarization-maintaining input optical fiber and a polarization-maintaining output optical fiber. The coupler includes: a tube having a wide end, a narrow end having an end face, and a taper therebetween; a polarization-maintaining feed-through optical fiber having a first end having an end face and a second end, the polarization-maintaining feed-through optical fiber being disposed within the tube from the wide end to the narrow end, at least the narrow end of the tube being fused around a first length of the polarization-maintaining feed-through optical fiber including the first end of the polarization-maintaining feed-through optical fiber to form a coupler end face comprising the end face of the tube and the end face of the first end of the polarization-maintaining feed-through optical fiber. In one aspect of the invention, the polarization-maintaining feed-through optical fiber has an outer diameter no greater than about 200 μm in the region in which the tube is fused around it. In another aspect of the invention, the polarization-maintaining feed-through optical fiber has an outer diameter at the coupler end face no greater than about 75% of the diameter of the polarization-maintaining input optical fiber. | 10-31-2013 |
| 20130301986 | Design For Spacer Resin Pattern Helping to Reduce Optical Coupling Loss in Optical Waveguide For Light-Emitting Element or Light-Receiving Element on Semiconductor - Spacer resin pattern layer which precisely aligns a light-emitting element or a light-receiving element relative to both a waveguide pattern layer and electrical circuit pattern layer from the semiconductor wafer level. A substratum of resin having a through-hole provided for electrical communication with an electrical circuit pattern layer is formed on a semiconductor wafer. A truncated cone-shaped three-dimensional reflective surface is formed to guide the emitted light towards or received light from a waveguide pattern layer. A metal film is deposited planarly in a predetermined range from the center when positioned relative to the position of the through-hole. A truncated cone-shaped mold is stamped in the center. By modifying the direction of the light using this tapered structure, the precision tolerance is increased and optical loss is reduced. | 11-14-2013 |
| 20130315533 | PREMOLDED CAVITY FOR OPTOELECTRONIC DEVICE - An optoelectronic device is disclosed. The optoelectronic device may be employed as a single or multi-channel opto-coupler that electrically isolates one circuit from another circuit. The opto-coupler may include one or more premolded cavities with a light-coupling medium contained therein. Walls of the one or more premolded cavities advantageously help shape the light-coupling medium during manufacture, therefore, resulting in a light path with controlled shape and dimensions. | 11-28-2013 |
| 20130315534 | ULTRA-THIN WAVEGUIDE WITH CONTROLLED LIGHT EXTRACTION - A system and method are provided for using bubble structures to control the extraction of light from a waveguide top surface. The method determines a maximum angle (α) of light propagation through a waveguide medium relative to a first horizontal direction parallel to a waveguide top surface. A plurality of bubble structures is provided having a refractive index less than the waveguide medium. The bubble structures have a base, and sides formed at an acute angle upwards with respect to the base. The bubble structure bases are separated by gap (W), have a height (H), and have a top separated from a waveguide top surface by a space (h). The method varies the gap (W), the height (H), and the space (h). In response, the intensity of light extraction at even the maximum angle (α) of light propagation, can be controlled from the waveguide top surface. | 11-28-2013 |
| 20130322818 | COUPLING DEVICE HAVING A STRUCTURED REFLECTIVE SURFACE FOR COUPLING INPUT/OUTPUT OF AN OPTICAL FIBER - A coupling device for physically and optically coupling an input/output end of an optical fiber for routing optical signals, to and from optical receiver and/or transmitter. The coupling device includes a structured reflective surface that functions as an optical element that directs light to/from the input/output ends of the optical fiber by reflection, and an optical fiber retention groove structure that positively receives the optical fiber in a manner with the end of the optical fiber at a defined distance to and aligned with the structured reflective surface. The open structure of the structured reflective surface and fiber retention structure lends itself to mass production processes such as precision stamping. The coupling device can be attached to an optical transmitter and/or receiver, with the structured reflective surface aligned to the light source in the transmitter or to the detector in the receiver, and adapted in an active optical cable. | 12-05-2013 |
| 20130322819 | NA Reduction In Fiber Optical Couplers - A fiber optical coupler comprises a bundle of optical fibers configured to couple light from a multiplicity of input light sources to an output port, each of the fibers comprising a multimode fiber having a core region and a cladding region surrounding the core region. The bundle has first and second axial sections arranged in tandem and adiabatically coupled to one another via a transition zone that includes an optical interface. Within the first section, the ratio of the cross-sectional core area of each of at least some of the fibers to the total cross-sectional area of each of those fibers is given by R | 12-05-2013 |
| 20130322820 | OPTICAL FIBER FOR A LIGHTING DEVICE - An optical fiber for a lighting device comprises: a coupling section that exhibits at least one coupling surface for coupling of light in the optical fiber; a fiber-optics section that extends along a main fiber-optics line that is limited by at least one main fiber-optics surface extending along the main fiber-optics line and such that the light can be conducted along the main fiber-optics line, starting from the coupling section, by internal total reflection at the main fiber-optics surface; and a plurality of decoupling components. Each decoupling component is disposed on the main fiber-optics surface such that light from the optical fiber can be fully decoupled by a respective light-emitting surface of the optical fiber assigned thereto. The decoupling components on the main fiber-optics surface are disposed such that they are offset along the main fiber-optics line. A fiber-optics device comprises first and second ones of the optical fiber. | 12-05-2013 |
| 20130330038 | COHERENT MIXER - A coherent mixer includes a substrate including a principal surface, the principal surface having a first area and a second area; a multi-mode interference device provided on the first area of the substrate; a light-receiving device provided on the second area of the substrate, the light-receiving device including a plurality of waveguide-type photodiodes; a first input waveguide optically coupled to the multi-mode interference device; a second input waveguide optically coupled to the multi-mode interference device; a plurality of optical waveguides optically coupling the multi-mode interference device to the plurality of waveguide-type photodiodes; and a protective layer covering the first and second areas of the substrate, the protective layer covering the plurality of waveguide-type photodiodes. The protective layer has an opening in the first area of the substrate. In addition, the multi-mode interference device has a surface that is at least partially exposed at the opening of the protective layer. | 12-12-2013 |
| 20140056555 | LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF - The present invention provides a light guide plate and a manufacturing method thereof. The light guide plate includes a light guide plate body and ink dots printed on a surface of the light guide plate body. The ink dots contain an antistatic agent. The manufacturing method of the light guide plate includes (1) providing a light guide plate body; (2) providing an ink and an antistatic agent ad mixing the antistatic agent in the ink; and (3) printing the ink that contains the antistatic agent on a surface of the light guide plate body to form the ink dots. The antistatic agent contained in the ink dots helps suppressing static electricity generated on the light guide plate so as to eliminate mura caused by electrostatic attraction. | 02-27-2014 |
| 20140056556 | OPTICAL SEMICONDUCTOR DEVICE - An optical semiconductor device includes: semiconductor lasers separated into two groups; an optical coupler combining light output from the semiconductor lasers; an optical amplifier amplifying light output from the optical coupler; and waveguides respectively connecting the semiconductor lasers to the optical coupler. Each of the waveguides includes a respective bent waveguide. The bent waveguides have the same radius of curvature. | 02-27-2014 |
| 20140064660 | LIGHTGUIDE DESIGN TECHNIQUES - Techniques are disclosed for obtaining a desired luminance and/or intensity distribution from any lighting fixture that is illuminated by a lightguide. The techniques can be used, for instance, to design a non-uniform surface texture (e.g., of light extraction features) for a lightguide, wherein the surface texture achieves a desired uniform or an intentionally non-uniform luminance distribution for a given lightguide shape/geometry, dimensions, and/or composition. In some embodiments, an iteration algorithm with illuminance distribution feedback is utilized to design a non-uniform surface texture (e.g., geometry, dimensions, quantity and/or spatial distribution of light extraction features) to achieve the target luminance distribution for a given lighting application. | 03-06-2014 |
| 20140064661 | OPTICAL FIBER INTERFACES COMPRISING LIGHT BLOCKING ELEMENTS AND ILLUMINATION SYSTEMS COMPRISING LIGHT BLOCKING ELEMENTS - An optical fiber interface includes an optical fiber connector including a receptacle and an axis of propagation along which light traverses through the optical fiber connector. The receptacle includes a first member pivotably attached to the receptacle. The first member includes a first aperture. The first member has a blocking position relative to the receptacle in which the first aperture is not aligned with the axis of propagation, such that light traversing along the axis of propagation does not pass through the first aperture. The first member has a transmitting position relative to the receptacle in which the first aperture is aligned with the axis of propagation such that light traveling along the axis of propagation passes through the first aperture. | 03-06-2014 |
| 20140112619 | OPTICAL ELEMENT AND SYSTEM USING THE SAME - A method for transmitting a signal in an optical system includes generating an optical signal along an optical axis for transmission through an optical element, positioning the optical element so that a surface discontinuity is positioned along the optical axis such that the optical signal defines a substantially radially symmetric intensity profile, and launching the optical signal into an input face of an optical fiber such that the intensity profile is substantially null proximate an optical axis associated with the optical fiber. | 04-24-2014 |
| 20140119691 | OPTO-COUPLER WITH LIGHT GUIDE - An optoelectronic device is disclosed. The optoelectronic device may be employed as a single or multi-channel opto-coupler that electrically isolates one circuit from another circuit. The opto-coupler may include one or more light guides that facilitate an efficient transfer of optical signals from a light source to a light detector. | 05-01-2014 |
| 20140212092 | ATHERMAL OPTICAL FILTER WITH ACTIVE TUNING AND SIMPLIFIED CONTROL - Embodiments of the invention describe systems, apparatuses and methods for providing athermicity and a tunable spectral response for optical filters. Finite impulse response (FIR) filters are commonly implemented in photonic integrated circuits (PICs) to make devices such as wavelength division multiplexing (WDM) devices, asymmetric Mach-Zehnder interferometers (AMZIs) and array waveguide gratings (AWGs). Athermicity of an FIR filter describes maintaining a consistent frequency transmission spectrum as the ambient temperature changes. A tunable spectral response for an FIR filter describes changing the spectrum of an FIR filter based on its application, as well as potentially correcting for fabrication deviations from the design. In addition, embodiments of the invention reduce energy dissipation requirements and control complexity compared to prior art solutions. | 07-31-2014 |
| 20140233886 | PLASTIC OPTICAL FIBRES - The invention relates to methods and devices for shaping plastic optical fibres (POFs), more specifically for optically modifying and yet more specifically for rapidly joining two portions of the plastic optical fibres to create a new optical connection. | 08-21-2014 |
| 20140254984 | Optical coupling system having an optical coupler and a light-transmissive external medium and also production and use of such a system - An optical coupling system having an optical coupler and a light-transmissive external medium, the optical coupler comprising a light guide which extends parallel to a main plane of the optical coupler, a mirror surface which is inclined relative to the main plane by an angle of inclination and an outer surface of the coupler which abuts on the medium, the waveguide. | 09-11-2014 |
| 20140270639 | OPTICAL ELEMENT FOR MIE SCATTERING LIGHT FROM AN OPTICAL FIBER - The invention relates to an optical scattering element suitable for dispersing or scattering light transmitted by optical device by Mie scattering. The optical scattering element comprises a phase-separated or porous borosilicate glass having dispersed phase particles with a particle size of 200 to 500 nanometers or pores with a size of 200 to 500 nanometers, at a number density of 10 | 09-18-2014 |
| 20140270640 | Plasmonic Light Collectors - An electronic device may be provided with imaging modules or communications modules. Imaging modules and communications modules may be improved with the use of plasmonic light collectors. Plasmonic light collectors exploit the interaction between incoming light and plasmons in the plasmonic light collector to redirect the path of the incoming light. Plasmonic light collectors may be used to form lenses for image pixels in an imaging module or to form light pipes or lenses for use in injecting optical communications into a fiber optic cable. Plasmonic lenses may be formed by lithography of metallic surfaces by implantation or by stacking and patterning of layers of materials having different dielectric properties. Plasmonic image pixels may be smaller and more efficient than conventional image pixels. Plasmonic light guides may have significantly less signal loss than conventional lenses and light guides. | 09-18-2014 |
| 20140301697 | METHOD FOR STRUCTURING A FLAT SUBSTRATE COMPOSED OF GLASS-TYPE MATERIAL, AND OPTICAL COMPONENT - The invention is a method for structuring a flat substrate composed of glass material in the course of a viscous flow process. The glass flat substrate is joined to a surface of a flat substrate, which is preferably a semiconductor flat substrate, having at least one depression bounded by a circumferential edge located in the surface. In the course of a subsequent tempering process, glass material is changed to a viscous free-flowing state in which at least proportions of the free-flowing glass material of the flat substrate flow over the circumferential edge into the depression in the flat substrate. The invention is also characterized in that a flat substrate is provided of which the at least one depression has at least one wetting surface that is countersunk with respect to the surface of the flat substrate and is at least partly bounded by a line-type edge which, at the same time, is an edge of a trench structure provided within the depression and countersunk with respect to the wetting surface and/or is determined by a discontinuous change in a wetting property for the free-flowing glass material that can be assigned to the wetting surface. | 10-09-2014 |
| 20140314373 | OPTICAL COMMUNICATION APPARATUS - An optical communication apparatus includes a PCB, a photoelectric element, a driver chip, and a light waveguide. The PCB defines a groove in a surface thereof. The groove includes a bottom surface and a side surface connected to the bottom surface. The PCB includes a reflecting layer coated on the side surface. The photoelectric element includes an optical portion for emitting/receiving light carrying optical signals. An optical signal emitting/receiving direction of the photoelectric element is substantially perpendicular to the surface of the PCB. The side surface passes through a projection area of the optical portion along a direction substantially perpendicular to the surface of the PCB. An end of the light waveguide is positioned on the bottom surface of the groove and is out of the projection area of the optical portion. The reflecting layer couples optical signals between the photoelectric element and the light waveguide. | 10-23-2014 |
| 20140334777 | OPTICAL GUIDE WITH SUPERIMPOSED GUIDANCE ELEMENTS AND MANUFACTURING METHOD - An optical guide comprises an injection zone intended to inject into the optical guide a light signal and an extraction zone intended to provide the light signal after transport by the optical guide. The optical guide comprises, in a superposed manner, at least two guidance elements. In a zone situated between the injection zone and the extraction zone, the guidance elements are partially separated from one another by a semi-reflective coating of length, in the direction or propagation of the light signal in the optical guide, dependent on a minimum angle of incidence of the light signal and on the thickness of at least one of the guidance elements that the semi-reflective coating separates. | 11-13-2014 |
| 20140341506 | Plastic optical fiber data communication links - Plastic optical fiber data communication links. Particularly, plastic optical fiber data communication links for embedded applications. More particularly, unique packaging approaches to constructing a very small, low cost, but high performance optical link, which may operate at 1 gigabits per second (Gbps) or faster. | 11-20-2014 |
| 20150010272 | OPTICAL RECEPTACLE AND OPTICAL MODULE - An optical receptacle has a first optical surface which receives incidence of light from a light emitting element, a reflecting surface which reflects the light along a substrate, a light separating section which separates light reflected at the reflecting surface into monitor light and signal light, a second optical surface which emits the monitor light toward a light receiving element, and a third optical surface which emits the signal light toward an optical fiber. The light separating section has a plurality of splitting transmissive surfaces which are vertical surfaces with respect to the optical axis of the light reflected at the reflecting surface and a plurality of splitting reflecting surfaces which are inclining surfaces with respect to the optical axis of the light reflected at the reflecting surface. The splitting transmissive surfaces and the splitting reflecting surfaces are alternately disposed in a first direction and in a second direction. | 01-08-2015 |
| 20150030285 | OPTICAL RECEPTACLE AND OPTICAL MODULE - An optical receptacle includes a first optical surface which receives incidence of light, a reflecting surface which reflects light along a substrate, a light separating section which separates light from the reflecting surface into monitor light and signal light, a second optical surface which emits the monitor light toward a light receiving element, and a third optical surface which emits the signal light. The light separating section includes a plurality of separating units each including a vertical splitting transmissive surface, an inclining splitting reflecting surface and a parallel splitting stepped surface. In the light separating section, 4 to 6 separating units are disposed within a region where light reflected at the reflecting surface is incident. A height of a boundary between the splitting transmissive surface and the splitting stepped surface with respect to a virtual plane including the splitting reflecting surface is 13 to 21 μm. | 01-29-2015 |
| 20150036975 | DEVICE SUPPORT STRUCTURES FROM BULK SUBSTRATES - A substrate is composed of a first material. A photonic structure is composed of the first material connected to one or more support structures composed of the first material between the photonic structure and a surface of the substrate, with at least one of the support structures supporting a first section of a strip of the photonic structure. The first section has a width that is wider than a width of a second section of the strip and has a length that is at least about twice the width of the second section of the strip. | 02-05-2015 |
| 20150036976 | SOLAR CONCENTRATOR - The invention relates to a solar concentrator made of a transparent material, wherein the solar concentrator comprises a light incoupling surface that may be spherical or non-spherical, a light outcoupling surface, and a light guide component arranged between the light incoupling surface and the light outcoupling surface, the light guide component being delimited between the light incoupling surface and the light outcoupling surface by a light guide component surface. | 02-05-2015 |
| 20150036977 | Methods, Systems, and Products for Image Displays - Methods, systems, and products illuminate display devices. An image is injected into a waveguide. The image propagates at total internal reflectance within the waveguide. A frustrator withdraws a frustrated image from the waveguide, and the frustrated image may be displayed to a viewer. | 02-05-2015 |
| 20150049984 | OPTICAL HYBRID MIXER WITHOUT WAVEGUIDE CROSSINGS - A multimoded interference coupler may include: first and second inputs to receive first and second optical signals such that light is not supplied through any portion of a first gap extending between the first and second inputs; first and second outputs to provide first and second components associated with the first and second optical signals, such that light is not output through any portion of a second gap extending between the first and second outputs. The first and second inputs may be separated by a first distance. The first and second outputs may be separated by the first distance. The first input and the second output may be separated by a second distance being different than a third distance separating the second input and the first output. The first and second components may have a phase difference based on a difference between the second and third distances. | 02-19-2015 |
| 20150055915 | LIGHT-COUPLING APPARATUS AND METHODS FOR LIGHT-DIFFUSING OPTICAL FIBERS - Light-coupling apparatus and methods for light-diffusing optical fibers are disclosed. The light-coupling apparatus includes a light-diffusing fiber bundle having an end section made up of tightly packed cores by removing the claddings. The spaces between the cores are filled with a material having a refractive index equal to or less than that of the cores. A light-emitting diode light source can be butt-coupled to the bundled-core end of the light-diffusing fiber bundle or can be coupled thereto via a reflective concentrator. A method of forming a flat and smooth end on a cleaved fiber that has a rough end is also disclosed. | 02-26-2015 |
| 20150086161 | OPTICAL FIBER LINK WITH PRIMARY AND COMPENSATING OPTICAL FIBERS - An optical fiber link that utilizes concatenated primary and compensating multimode optical fibers is disclosed. The primary optical fiber has a first relative refractive index profile with a first alpha value α | 03-26-2015 |
| 20150301284 | ENVIRONMENTALLY RUGGED FREE-SPACE FIBER WAVEGUIDE CONNECTOR AND METHOD OF MANUFACTURE THEREOF - Various embodiments of free-space fiber waveguide connectors, feed-throughs and GRIN lens assemblies and methods of bonding GRIN lenses in, and aligning waveguide fibers to, such connectors, feed-throughs and assemblies. In one embodiment, a free-space fiber waveguide connector comprises a waveguide fiber mount including a fiber holder, a fiber waveguide, and a bonding agent bonding said fiber waveguide to said fiber holder, a coefficient of expansion of said fiber holder nominally matching a coefficient of expansion of said fiber waveguide and also nominally matching a coefficient of expansion of said bonding agent, said fiber waveguide having a surface oriented at a nonzero angle with respect to an axis of said fiber. | 10-22-2015 |
| 20150338585 | VISION-BASED PASSIVE ALIGNMENT OF AN OPTICAL FIBER SUBASSEMBLY TO AN OPTOELECTRONIC DEVICE - A vision-based passive alignment approach to optically couple input/output of optical fibers in optical alignment to optoelectronic components that are supported on a substrate. An optical bench supporting an optical fiber is physically and optically coupled to an optoelectronic device mounted on a submount via an optically transparent alignment block. The transparent alignment block having a first set of optical fiducials for aligning optical fiducials defined on the optical bench with the alignment block, and a second set of optical fiducials for aligning the alignment block with optical fiducials defined on the submount. | 11-26-2015 |
| 20150346399 | REFLECTIVE ELEMENT FOR FIBER OPTIC SENSOR - A reflective element for directing an optical signal into a fiber optic sensor having an optical fiber includes a plane containing a sharply defined straight line that separates between a first area of low reflectivity and a second area of high reflectivity. The plane is disposed parallel to a free end surface of the optical fiber so that the free end surface intersects the line of the reflective element, whereby relative movement between the free end surface of the optical fiber and the line in response to a physical change sensed by the fiber optic sensor induces variations in an optical signal reflected by the reflective element through the optical fiber, which variations allow measurement of the physical change. | 12-03-2015 |
| 20150362684 | PUMP BEAM STRIPPER AND MANUFACTURING METHOD OF THE SAME - Provided herein is a pump beam stripper including an optical fiber including a core, a primary cladding configured to surround the core, and a secondary cladding configured to surround the primary cladding, the secondary cladding including an opening that exposes a portion of the primary cladding; and an atypical glass substance deposited irregularly on a surface of the primary cladding exposed through the opening. | 12-17-2015 |
| 20150364900 | STABILIZATION OF WAVELENGTH BEAM COMBINING LASER SYSTEMS IN THE NON-WAVELENGTH BEAM COMBINING DIRECTION - In various embodiments, wavelength beam combining laser systems incorporate optics having optical power along the non-WBC direction (and/or the slow-diverging axis) of the combined multi-wavelength beam proximate to or combined with the partially reflective output coupler in order to correct pointing variation in the non-WBC direction (and/or the slow-diverging axis). | 12-17-2015 |
| 20160011377 | OPTICAL DEVICE | 01-14-2016 |
| 20160018610 | OPTICAL COUPLER - Embodiments of the present disclosure are directed toward techniques and configurations for an optical coupler. In some embodiments, the device may include an optical waveguide to transmit light input from a light source. The optical waveguide may include a semiconductor layer, having a trench with one facet that comprises an edge formed under an approximately 45 degree angle and another facet formed substantially normal to the semiconductor layer. The edge may interface with another medium to form a mirror to receive inputted light and reflect received light substantially perpendicularly to propagate the received light. Other embodiments may be described and/or claimed. | 01-21-2016 |
| 20160041353 | METHOD OF INPUTTING LIGHT INTO OPTICAL WAVEGUIDE - The present invention provides a method of inputting light into a core layer of a multimode optical waveguide. The optical waveguide includes an under-cladding layer; and the core layer formed so that at least a part of the core layer is adjacent to the under-cladding layer. The method includes inputting the light into the core layer so that a spot of the light at an input port-side end surface of the multimode optical waveguide completely includes an input port of the core layer; a spot area of the light at the input port-side end surface of the multimode optical waveguide is twice or more of an area of the input port of the core layer; and an angle of input range of the light at an input port end surface of the core layer is from 10° to 30°. | 02-11-2016 |
| 20160047978 | OPTICAL WAVEGUIDE AND ELECTRONIC DEVICE - A optical waveguide comprising a core layer having a core portion; a first clad layer formed on one surface of the core layer; a second clad layer formed on another surface of the core layer; and a hollow section penetrating through the second clad layer and the core layer, and extending to a middle portion of the first clad layer, wherein a part of an inner wall surface at the hollow section is configured as an inclined plane which is inclined relative to and intersects with a plane including an interfacial plane between the core layer and the first clad layer, and a minimum radius of curvature at a connection between the inclined plane and other parts of the inner wall surface continuously extending from the inclined plane is 1 to 500 μm as measured at the plane including the interfacial plane. | 02-18-2016 |
| 20160085063 | OPTICAL COUPLER FOR OPTICAL IMAGING VISUALIZATION DEVICE - An optical coupler for mounting at a distal end of an optical imaging device includes a visualization section and an attachment section. At least one surface of the visualization section has a roughness that does not interfere with a video capture system of an optical imaging device. | 03-24-2016 |
| 20160139337 | Dual-Ended Optical Fiber Pathway - In an optical fiber turnaround, first and second optical fiber cores are configured to transmit light bidirectionally along a transmission axis between proximal and distal ends of the first and second optical fiber cores. A reflector component is positioned at the distal ends of the first and second optical fiber cores. The first core, second core, and reflector component are configured to provide a bidirectional routing path, wherein light energy travels from the proximal end of one of the first and second cores towards the reflector component, and travels back from the reflector component along the other of the first and second cores. | 05-19-2016 |
| 20160202417 | REFLECTIVE OPTICAL COHERENCE TOMOGRAPHY PROBE | 07-14-2016 |
| 20190146155 | PHOTON GENERATOR | 05-16-2019 |
