| Entries |
| Document | Title | Date |
|---|
| 20080203280 | Target-close electromagnetic energy emitting device - An apparatus having an excitation source that includes at least one laser diode and also having a handpiece with a disposable, bendable tip cannula is disclosed. | 08-28-2008 |
| 20080272282 | OPTICAL ELEMENT FOR FREE-SPACE PROPAGATION BETWEEN AN OPTICAL WAVEGUIDE AND ANOTHER OPTICAL WAVEGUIDE, COMPONENT, OR DEVICE - An optical element comprises a substantially transparent material having opposing first and second transmission surfaces and a substantially flat mounting surface between them, an alignment mark, and an optical coating. The optical element is mounted self-supporting on a substrate with the mounting surface on a mating portion thereof. With the alignment mark aligned to a corresponding mark on the substrate, waveguides on the substrate can be end-coupled by reflection from the first transmission surface. The transmission and mounting surfaces are arranged to position the transmission surfaces at respective orientations relative to the substrate surface so that an optical beam propagating substantially parallel to the substrate surface and entering the optical element through the first transmission surface propagates as an optical beam through the optical element above the mounting surface and exits the optical element through the second transmission surface. The optical element can further include a lens or an aperture. | 11-06-2008 |
| 20090057540 | SMART INTEGRATED DISTRIBUTED LIGHT-POWERED PROCESS CONTROL SYSTEM - A light-powered data acquisition and control system immune to electromagnetic interference employs smart sensors in a network configuration capable of decentralized communication. A smart sensor with integral transducer encloses a microprocessor, fiber optic transceiver, and photovoltaic converter within a Faraday cage. Optical fibers link plural sensors for duplex communication with a fiber optic splitter, which transmits high intensity light to the converter for powering the sensors. The sensor converts analog input from the transducer into bit packets for fiber optic transmission to the network via the splitter. Firmware in the splitter converts the bit packets to network protocol and vice versa enabling data communication among sensors, splitters, and control receivers. Verification algorithms for testing sensors are run automatically by the microprocessor or through commands issued via the network. Mnemonics stored in the sensors provide automatic updating of system configuration. | 03-05-2009 |
| 20090057541 | Image sensor module and light guiding member used for the same - An image sensor module includes a light source, a light guide elongated in a first direction, a reflector covering the guide, and a light receiver for linear light reflected on a reading target in a second direction perpendicular to the first direction. The guide includes an incident surface for entering light from the light source, a reflecting portion for reflecting, in a direction crossing the first direction, the light from the incident surface, and a surface for emitting light from the reflecting portion as linear light elongated in the first direction. The reflector has an opening and an inclined surface. The opening extends in the first direction to pass the light reflected by the target. The inclined surface, at an end of the opening in the first direction, has a normal which is non-parallel to the first direction and a third direction perpendicular to the first and second directions. | 03-05-2009 |
| 20090127442 | Anti-resonant reflecting optical waveguide for imager light pipe - An anti-resonant reflecting optical waveguide structure for reducing optical crosstalk in an image sensor and method of forming the same. The method includes forming a trench within a plurality of material layers and over a photo-conversion device. The trench is vertically aligned with the photo-conversion device and is filled with materials of varying refractive indices to form an anti-resonant reflecting optical waveguide structure. The anti-resonant reflecting optical waveguide structure has a core and at least two cladding structures. The cladding structure in contact with the core has a refractive index that is higher than the refractive index of the core and the refractive index of the other cladding structure. The cladding structures act as Fabry-Perot cavities for light propagating in the transverse direction, such that light entering the anti-resonant reflecting optical waveguide structure remains confined to the core. This reduces the chance of photons impinging upon neighboring photo-conversion devices. | 05-21-2009 |
| 20090166518 | Light guide array for an image sensor - An image sensor pixel that includes a photoelectric conversion unit supported by a substrate and an insulator adjacent to the substrate. The pixel includes a light guide that is located within an opening of the insulator and extends above the insulator such that a portion of the light guide has an air interface. The air interface improves the internal reflection of the light guide. Additionally, the light guide and an adjacent color filter are constructed with a process that optimizes the upper aperture of the light guide. These characteristics of the light guide eliminate the need for a microlens. | 07-02-2009 |
| 20090206242 | Film Thin Waveguides, Methods of Fabrication Thereof, and Detection Systems - Briefly described, embodiments of this disclosure, among others, include solid state, thin film waveguides, detection systems including waveguides, and methods of detecting target compounds. | 08-20-2009 |
| 20090206243 | Image Capturing System and Method for the Analysis of Image Data - This application relates to image capturing systems and methods for the analysis of image data. | 08-20-2009 |
| 20090250597 | OPTICAL FIBER ASSEMBLY WRAPPED ACROSS ROLL-NOD GIMBAL AXES IN A DIRCM SYSTEM - A control mechanism pins an optical fiber assembly on and off gimbal and between gimbals to route the assembly from an off-gimbal optical source across the gimbal axis/axes to an on-gimbal optical element so that the fiber assembly moves with the rotation of the gimbals. To accommodate a relatively large range of motion, the control mechanism is suitably configured to route the fiber assembly in a “U-shaped” loop with one end pinned off-gimbal in a stationary guide track and the other end pinned on-gimbal point in a rotating guide track so that the loose fiber assembly is constrained in the concentric tracks on and off gimbal. As the gimbal rotates, the loop seats onto one guiding track and peels off of the other guiding track while always maintaining its U shape. To accommodate a relatively small range of motion in other gimbal configurations, the control mechanism is suitably configured to pin one end of the fiber assembly off-gimbal and pass the fiber assembly directly over the gimbal where it is pinned on the other side of the gimbal. In a multi-gimbal pointer, the fiber assembly preferably exhibits different mechanical stresses as it crosses the different gimbals. | 10-08-2009 |
| 20090250598 | Light guide mechanism for guiding a light to an illuminance sensor - A light guide mechanism for an illuminance sensor includes: a lighting window configured to pass through an external light; the illuminance sensor configured to detect an illuminance of the light passed through the lighting window; and a light-blocking part provided between the lighting window and the illuminance sensor and configured to block a light other than the light passed through the lighting window. The light-blocking part has an inner surface inclined with respect to a line perpendicular to a light-receiving surface of the illuminance sensor. A direction of inclination of the inner surface is such that the inner surface faces the light-receiving surface of the illuminance sensor. | 10-08-2009 |
| 20090261237 | Optical sensor device - An optical sensor device has a sensor unit which includes a light emitter ( | 10-22-2009 |
| 20090278034 | LIGHT MODULE PACKAGE - The invention relates to a mounting substrate ( | 11-12-2009 |
| 20090309011 | Sensitivity Enhancement of Near-Field Probes using Metamaterials - A method and material for increasing the sensitivity of near-field probes used in detecting a wide variety of materials and objects such as biological anomalies in tissues, cracks on metallic surfaces, composition of material such as permittivity and permeability . . . etc., is disclosed. The present invention includes having a metamaterial in front of near-field probes that result in increased sensitivity. The metamaterial to be placed in the presence of the near-field probe has electrical characteristics that can be described as single negative or double negative media. Once the single negative or double negative medium is placed in the close proximity or between the material to be investigated and the near-field probe, the sensitivity of the near-field probe to variation in the detected object or material will be enhanced. This invention is useful when the near-field probe is insensitive enough not to detect small variation in the composition or geometry of the target. | 12-17-2009 |
| 20090321619 | OPTICALLY CONTROLLED ELECTRICAL-SWITCH DEVICE BASED UPON CARBON NANOTUBES AND ELECTRICAL-SWITCH SYSTEM USING THE SWITCH DEVICE - Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself. | 12-31-2009 |
| 20100001176 | OPTICAL DIE WITH VARIABLE REFRACTIVE INDEX, CORRECTIVE OF NEGATIVE DISTORTION, AND METHOD OF FABRICATING SUCH A DIE - An optical die, which is intended to be placed in front of an optical sensor of a semiconductor component, has an optically useful zone having an optical axis and exhibiting a variable refractive index. Specifically the refractive index of the die is variable in an annular peripheral zone lying between a radius Ru enveloping the useful zone and a smaller radius Ro. The index is varies as a function of radial distance from a lower value near the smaller radius Ro to a higher value near the radius Ru. The function of the variable refractive index lies between a maximum and minimum profile. | 01-07-2010 |
| 20100032553 | Alignment Tolerances for an Optical Assembly - An optical assembly is provided that includes a substrate. The substrate has one or more optical waveguides. A component is coupled to and spaced apart from the substrate. The component has one or more photodetectors. One or more flexible optical pillars is disposed between the optical waveguides and the photodetectors. The flexible optical pillars are aligned by one or more alignment structures. The flexible optical pillars are optically transmissive and configured to transmit light from the optical waveguides to the photodetectors. | 02-11-2010 |
| 20100102212 | LIGHT DETECTING DEVICE - A light detecting device includes a case, a reflector, and a light receiving element. The case is fixed to a windshield, and outside light passes through the windshield and an entrance hole defined in the case. A predetermined light travels from a predetermined area, and the reflector reflects the predetermined light of the outside light. The light receiving element is disposed in the case to have a distance from the windshield, and the distance is larger than a distance between the windshield and the entrance hole. The light receiving element receives the reflected predetermined light. | 04-29-2010 |
| 20100133422 | LIGHT CONCENTRATING MODULE - A light concentrating module includes an optical film having a light incident surface and a light outgoing surface facing the light incident surface, an optical wedge plate having a first surface, a second surface facing the first surface and having an angle with respect to the first surface and a third surface adjacent to the first and second surfaces, and at least one photoelectric chip disposed near the third surface. Light from a light source penetrates the optical film, and the light enters the first surface of the optical wedge by an appropriate incident angle and has total reflection between the first and second surfaces, whereby the light propagates in the optical wedge, and the light leaves the optical wedge from the third surface and is received by the photoelectric chip. | 06-03-2010 |
| 20100155582 | SOLID-STATE IMAGING DEVICE AND MANUFACTURING METHOD OF THE SAME, ELECTRONIC EQUIPMENT, AND SEMICONDUCTOR DEVICE - A solid-state imaging device includes: a photodiode formed to be segmented with respect to each pixel in a pixel area in which plural pixels are integrated on a light receiving surface of a semiconductor substrate; an insulator film formed on the semiconductor substrate to cover the photodiode; a recessed part formed with respect to each of the pixels in the insulator film in an upper part of the photodiode; a first light transmission layer of a siloxane resin formed to fill the recessed part and configure an optical waveguide in the pixel area; a second light transmission layer formed to configure an on-chip lens with respect to each of the pixels in the pixel area; and a guard ring formed to surround an outer circumference of the pixel area to partition an inner area containing the pixel area and an outer dicing area. | 06-24-2010 |
| 20100155583 | WAVELENGTH MEASUREMENT SYSTEM - A fiber optic interrogator includes a broadband optical source, at least one beam splitter directing output of the optical source to an array of fiber optic gratings, at least one linear transmission or reflection filter, at least one optical receiver and at least one amplifier associated with each receiver. In one aspect of the invention, a linear transmission filter is used to convert the change in center wavelength of a grating reflectivity spectrum to a change in intensity, which is proportional to the change in the grating central wavelength. In another aspect of the invention, a pair of opposite-sloped linear transmission filters are utilized to normalize the received and filtered reflections with respect to total optical power. In another aspect of the invention, the optical source is pulsed, and return pulses from each fiber optic grating to be measured are sampled by the interrogator at different times. In another aspect of the invention, the source driver randomizes ripple phase versus wavelength to reduce wavelength measurement error. In another aspect of the invention, active closed-loop circuits are added to the receiver amplifiers to stabilize the amplifier output. In yet another aspect of the invention, a temperature-controlled compensating array of fiber optic gratings is interrogated each time the measurement array of gratings is interrogated. In still another aspect of the invention, a fast reset analog integrator is added to the amplifier stage(s) to improve the signal detection threshold. In another aspect of the invention, the wavelength measurement is compensated for the effects of one grating shading another. | 06-24-2010 |
| 20100200738 | PHOTOELECTRIC CONVERSION DEVICE AND IMAGING SYSTEM - A photoelectric conversion device comprises: a plurality of photoelectric conversion elements each having a photo-sensing surface; insulation films; a plurality of light-guiding portions arranged above the insulation films, each of the plurality of light-guiding portions guiding light on the photo-sensing surface of each of the plurality of photoelectric conversion elements; and boundary portions, each of the boundary portions defines a boundary between the adjacent light-guiding portions and is formed of a material lower in refractive index than a material that forms the plurality of light-guiding portions, wherein a width of each of the boundary portions is not more than half a shortest wavelength in a wavelength range of visible light, and a height from a lower surface to an upper surface of each of the plurality of light-guiding portions is not less than double a longest wavelength in the wavelength range of visible light. | 08-12-2010 |
| 20100308214 | ARRAY OF NANOWIRES IN A SINGLE CAVITY WITH ANTI-REFLECTIVE COATING ON SUBSTRATE - An embodiment relates to image sensor comprising one or more nanowires on a substrate of a cavity, the nanowire being configured to transmit a first portion of an electromagnetic radiation beam incident on the sensor, and the substrate that absorbs a second portion of the electromagnetic radiation beam incident on the sensor, wherein the first portion is substantially different from the second portion. The substrate could have a anti-reflective material. The ratio of a diameter of the cavity to a diameter of the nanowire could be at less than about 10. | 12-09-2010 |
| 20110226940 | FUSED FIBER OPTIC COUPLER ARRANGEMENT AND METHOD FOR USE THEREOF - Exemplary embodiments of an article of manufacture and method according to the present disclosure are provided. For example, a first multi-clad fiber arrangement can be provided that comprises a first core and at least one first cladding which is structured to propagate at least one first electro-magnetic radiation therethrough. A second multi-clad fiber arrangement can also be provided that comprises a second core and at least one second cladding which is structured to propagate at least one second electro-magnetic radiation therethrough. Further, at least one portion can be provided in which the first and second claddings are fused to one another. | 09-22-2011 |
| 20110278440 | Optical power transmission system and method having co-propagating control signal - A system for delivering more than one optical power form and at least one control signal over an optical conduit includes control circuitry for controlling characteristics of the optical power system. | 11-17-2011 |
| 20110284729 | Systems and Methods for Harvesting Optical Energy - In one embodiment a system and method for harvesting optical energy employ an optical energy harvesting fiber including a core having active elements that absorb light at one wavelength of range of wavelengths and emit light at one or more different wavelengths, a guiding structure that guides the emitted light along a length of the fiber, and a cladding that surrounds the core. | 11-24-2011 |
| 20110315862 | LIGHT CONCENTRATION SYSTEM - An optical system for light energy concentration may comprise a light concentrator to convert incident light to converging light, a light collimating element to receive the converging light and to reduce an angle of convergence of the converging light, and a light directing element to direct the reduced-angle converging light to a light guide to transmit the directed light. | 12-29-2011 |
| 20120006981 | WAVEGUIDE INTEGRATED PHOTODETECTOR - A waveguide integrated photodetector ( | 01-12-2012 |
| 20120012739 | OPTICAL MICRORESONATOR SYSTEM - An optical device includes a light source ( | 01-19-2012 |
| 20120043457 | OPTICAL SWITCHING IN A LITHOGRAPHY SYSTEM - A maskless lithography system for transferring a pattern onto the surface of a target. At least one beam generator for generating a plurality of beamlets. A plurality of modulators modulate the magnitude of a beamlet, and a control unit controls of the modulators. The control unit generates and delivers pattern data to the modulators for controlling the magnitude of each individual beamlet. The control unit includes at least one data storage for storing the pattern data, at least one readout unit for reading out the data from the data storage, at least one data converter for converting the data that is read out from the data storage into at least one modulated light beam, and at least one optical transmitter for transmitting the at least one modulated light beam to the modulation modulators. | 02-23-2012 |
| 20120085894 | SUBSTRATES AND OPTICAL SYSTEMS AND METHODS OF USE THEREOF - This invention provides substrates for use in various applications, including single-molecule analytical reactions. Methods for propagating optical energy within a substrate are provided. Devices comprising waveguide substrates and dielectric omnidirectional reflectors are provided. Waveguide substrates with improved uniformity of optical energy intensity across one or more waveguides and enhanced waveguide illumination efficiency within an analytic detection region of the arrays are provided. | 04-12-2012 |
| 20120138778 | OPTICAL NAVIGATION DEVICE - An optical navigation device may include an image sensor with an imaging surface, a laser, and an optical waveguide layer having an exposed user surface and a total internal reflection (TIR) surface on the underside of the exposed user surface. The waveguide layer, the laser, and the image sensor may be together arranged to direct radiation emitted by the laser onto the imaging surface at least partly by total internal reflection by the TIR surface. | 06-07-2012 |
| 20120138779 | LIQUID FUEL TANK FOR MEASURING FUEL VOLUME - Its object is to allow measurement of the volume of fuel ( | 06-07-2012 |
| 20120205525 | LEAKY WAVE MODE SOLAR RECEIVER - A leaky travelling wave array of optical elements provide a solar wavelength rectenna. | 08-16-2012 |
| 20120205526 | OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION/RECEPTION DEVICE, CONTROL METHOD, AND CONTROL PROGRAM - For an optical transmitter in which an EA modulator modulates a laser beam emitted from an LD, a control circuit stops heating/cooling of the EA modulator when a casing temperature (TC) is within a range of a low-temperature side reference temperature (T_cool) and a high-temperature side reference temperature (T_heat), sets a bias voltage for the EA modulator to a bias voltage corresponding to the modulator temperature based on table information recorded on a memory circuit, heats the EA modulator and sets the bias voltage corresponding to the low-temperature side reference temperature when the casing temperature is equal to or lower than the low-temperature side reference temperature, and cools the EA modulator and sets the bias voltage corresponding to the high-temperature side reference temperature when the casing temperature is equal to or higher than the high-temperature side reference temperature. | 08-16-2012 |
| 20120217382 | APPARATUS AND METHOD FOR PRODUCING A COMPONENT AND AIRCRAFT STRUCTURE COMPONENT - An apparatus for producing a component includes a material storage tank for receiving a liquid material (M), a moulding tool in which a filling region to be filled with material (M) from the material storage tank is formed, and a material supply line which connects the material storage tank to the filling region of the moulding tool. In the region of the material supply line and/or the filling region of the moulding tool an optical fibre has been arranged, into which at least one Fibre Bragg Grating sensor for detecting a parameter that is characteristic of the flow of material through the material supply line and/or the filling region of the moulding tool is integrated. | 08-30-2012 |
| 20120241600 | OPTICAL ELECTRICAL MODULE - An optical electrical module includes a first substrate, a second substrate, a bearing portion and at least one optical electrical element. The second substrate is combined with the first substrate and has a reflective surface facing to the first substrate. The bearing portion is disposed between the first substrate and the second substrate to limit at least one light guide element. The optical electrical element is disposed on a surface of the first substrate facing to the reflective surface and faces to the reflective surface. The optical electrical element is configured for providing or receiving light signals. The reflective surface and the light guide element are disposed on an optical path of the light signals. | 09-27-2012 |
| 20120248299 | APPARATUS FOR THE ANALYSIS OF AN OBJECT, PREFERABLY OF A DOCUMENT OF VALUE, USING OPTICAL RADIATION - A device for examining an object, preferably a document of value, by using optical radiation, having an optical waveguide which has an anisotropic retro-reflector section, which is formed along a surface curved in a plane of curvature and which reflects radiation components specularly in a first plane of incidence parallel to the plane of curvature but retro-reflects radiation components orthogonally with respect to the first plane of incidence, so that at least a proportion of the optical radiation falling in a glancing manner on the retro-reflector section is at least partly guided on the convex side of the surface by reflection on the retro-reflector section. | 10-04-2012 |
| 20120298847 | PLANT SENSOR - A plant sensor includes a first light emitter to emit first measuring light with a first wavelength to irradiate a growing condition measurement target therewith; a second light emitter to emit second measuring light with a second wavelength to irradiate the growing condition measurement target therewith; a light receiver to receive reflected light of each of the first and second measuring light from the growing condition measurement target and output a received light signal; a controller to control light emission; a light path merging unit to merge a first outgoing light path of the first measuring light from the first light emitter and a second outgoing light path of the second measuring light from the second light emitter; and a common outgoing light path connecting the light path merging unit to a light exit portion emitting the first measuring light and the second measuring light. | 11-29-2012 |
| 20120298848 | LIGHT TRAPPING OPTICAL COVER - A light trapping optical cover employing an optically transparent layer with a plurality of light deflecting elements. The transparent layer is configured for an unimpeded light passage through its body and has a broad light input surface and an opposing broad light output surface. The light deflecting elements deflect light incident into the transparent layer at a sufficiently high bend angle with respect to a surface normal and direct the deflected light toward a light harvesting device adjacent to the light output surface. The deflected light is retained by means of at least TIR in the system formed by the optical cover and the light harvesting device which allows for longer light propagation paths through the photoabsorptive layer of the device and for an improved light absorption. The optical cover may further employ a focusing array of light collectors being pairwise associated with the respective light deflecting elements. | 11-29-2012 |
| 20120305754 | OPTICAL PROBE, COVERING MEMBER, MEASUREMENT METHOD FOR AN OPTICAL PROBE, AND OPTICAL POWER METER - An optical probe includes an optical probe main body and a covering member. The optical probe main body includes a light-emitting portion configured to emit laser light. The covering member is configured to cover a part of the optical probe main body from the light-emitting portion such that laser light from the light-emitting portion can be emitted to an outside, and to be detachable from the optical probe main body. | 12-06-2012 |
| 20120318964 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding laver, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened. surface. | 12-20-2012 |
| 20120318965 | OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD - A transmitter including a light source and a dither modulator, which applies dither modulation to light output from the light source, an optical fiber, which transmits signal light output from the transmitter, an optical branching device, which branches a part of the signal light transmitted by the optical fiber as monitoring light, a frequency detector, which detects a frequency of the monitoring light, and a detector, which detects whether the frequency of the monitoring light and a modulation frequency set in the dither modulator conform to each other are provided. The frequency detector is provided with, for example, a photoelectric conversion element, which converts the monitoring light to an electric signal, a Fourier transformer, which applies Fourier transform to the electric signal, and a frequency variable filter, which extracts the frequency of the signal to which the Fourier transform is applied. | 12-20-2012 |
| 20120326015 | 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. | 12-27-2012 |
| 20130001410 | MULTICHANNEL RF FEEDTHROUGHS - Multichannel RF Feedthroughs. In some examples, a multichannel RF feedthrough includes an internal portion and an external portion. The internal portion includes a top surface on which first and second sets of traces are formed. Each set of traces is configured as an electrical communication channel to carry electrical data signals. The external portion includes a bottom surface on which the first set of traces is formed and a top surface on which the second set of traces is formed. A set of vias connects the first set of traces between the top surface of the internal portion and the bottom surface of the external portion. | 01-03-2013 |
| 20130001411 | OPTICAL ENCODER - An optical encoder includes a light projecting portion, a light receiving portion, and a scale arranged between the light projecting portion and the light receiving portion. The scale includes a light guiding portion which allows light to transmit therethrough and has a light guiding function of guiding at least a part of the light projected by the light projecting portion in a direction vertical to thickness direction thereof through the light guiding portion. The light receiving portion receives the light guided by the scale and relatively moves with respect to the scale. | 01-03-2013 |
| 20130020474 | LIGHT INTENSITY MONITORING CIRCUIT AND FIBER LASER SYSTEM - A fiber laser system includes: a fiber laser device ( | 01-24-2013 |
| 20130032703 | OPTICAL AND ELECTRICAL MIXED FLEXIBLE PRINTED WIRING BOARD AND METHOD OF MOUNTING LIGHT RECEIVING/EMITTING DEVICE THEREOF - Alight emitting device and a light receiving device are in a bare chip form and are a light emitting device of surface emitting type and a light receiving device of surface receiving type having an electrode on an opposite surface of a light emitting portion and a light receiving portion respectively, the light emitting device, the light receiving device, and an optical waveguide are mounted on one surface of a flexible printed wiring board body, the light emitting portion of the light emitting device, an optical waveguide core, and the light receiving portion of the light receiving device are arranged substantially coaxially, and the light emitting device and the light receiving device are mounted in such a way that a light emitting/receiving direction is substantially 90° with respect to an orthogonal direction of a surface of the flexible printed wiring board body. | 02-07-2013 |
| 20130037704 | WAVE GUIDE FOR IMPROVING LIGHT SENSOR ANGULAR RESPONSE - Electronic displays encounter visibility issues due to varying ambient light conditions. An ambient light sensor can be provided to sense ambient light and dynamically adjust display brightness to compensate for changes in ambient light. A wave guide for improving angular response in a light sensor is provided. | 02-14-2013 |
| 20130048840 | LIQUID OUTPUT SENSING DEVICE - A liquid output sensing device includes a body, a sensing unit, a first optical fiber, and a second optical fiber. The body is connected with a delivery structure. A liquid input port is disposed on one end of the delivery structure, and a liquid output port is disposed on another end of the delivery structure. A liquid delivery channel is disposed between the liquid input port and the liquid output port. The liquid delivery channel is connected with a first controller. The sensing unit is connected with the body, and is electrically connected with the first controller. One end of the first optical fiber is connected with the sensing unit. Another end of the first optical fiber and one end of the second optical fiber are connected with the delivery structure and near the liquid output port. Another end of the second optical fiber is connected with the sensing unit. | 02-28-2013 |
| 20130056623 | ELECTRO-OPTIC MODULATOR STRUCTURES, RELATED METHODS AND APPLICATIONS - An electro-optic modulator structure, a method for fabricating the electro-optic modulator structure, a method for operating an electro-optic modulator device that derives from the electro-optic modulator structure and a related communications apparatus that includes the electro-optic modulator structure all are directed towards effecting a comparatively low voltage operation of the electro-optic modulator device predicated upon consideration of optimal charge carrier injection efficiency characteristics of a PIN diode charge carrier injection based micro-ring electro-optic modulator structure as a function of applied bias voltage. To realize the foregoing result, at least in part, the PIN diode charge carrier injection based electro-optic modulator structure includes at least one of a p-doped region and an n-doped region that has a relatively high volume dopant concentration at a surface thereof. | 03-07-2013 |
| 20130068937 | Optical mode couplers for multi-mode optical fibers - An apparatus includes a first optical mode coupler having a spatial light modulator with a two-dimensional array of separately controllable optical phase modulators. The optical mode coupler is configurable to cause the spatial light modulator to couple a light source or light detector to an end-face of a multi-mode optical fiber via a plurality of light beams. Each of the light beams couples to a different one of optical modes in the multi-mode optical fiber. | 03-21-2013 |
| 20130075597 | ELECTROMAGNETIC WAVE DETECTION DEVICE - According to the present invention, an electromagnetic wave detection device includes an optical waveguide, an electromagnetic wave input unit, and a phase difference measurement unit. According to the thus constructed electromagnetic wave detection device, an optical waveguide is a nonlinear crystal, and includes a branching portion for receiving a probe light pulse, and causing the probe light pulse to branch into two beams of branching light, and two branching light transmission portions for receiving the branching light from the branching portion, and transmitting the branching light. An electromagnetic wave input unit inputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] tilted by an angle generating Cherenkov phase matching with respect to a travel direction of the branching light into one of the two branching light transmission portions. | 03-28-2013 |
| 20130087691 | INPUT DEVICE - An input device capable of lowering the vertical position of light beams traveling within the frame of a frame-shaped optical waveguide without using optical path conversion is provided. The input device includes a light-emitting module incorporating a light-emitting element connected to light-emitting cores of the optical waveguide, and a light-receiving module incorporating a light-receiving element connected to light-receiving cores of the optical waveguide. A section of the optical waveguide on a light-receiving side, in which the light-receiving cores are formed, is placed upside down so that an over cladding layer is positioned on the underside. Accordingly, the light-receiving module is also placed upside down. Thus, the light-receiving module protrudes along the height thereof in such a manner that the amount of downward protrusion is less than the amount of upward protrusion. | 04-11-2013 |
| 20130087692 | System and Method for Nonlinear Optical Devices - Systems for enhancing the sensitivity of detecting an optical signal using nonlinear optics and method of performing the same. In one embodiment, a single-photon detection system includes an optical amplifier realized in a waveguide, and a photodetector coupled to an output of the optical amplifier. A light detection and ranging system includes the optical amplifier coupled to an optical source and one photodetector. In another embodiment, a photodetection system includes a plurality of optical frequency converters, coupled to an optical source, that sequentially convert a wavelength of photons of the optical source to a final wavelength, and a single-photon photodetector coupled to the optical frequency converters to detect single photons produced by the optical source. In another embodiment, an optical sensor includes an optical pump, and a transducer including an optical ring cavity coupled to the optical pump and configured to utilize optical four-wave mixing to detect an external stimulus. | 04-11-2013 |
| 20130087693 | System and Method for Nonlinear Optical Devices - Systems for enhancing the sensitivity of detecting an optical signal using nonlinear optics and method of performing the same. In one embodiment, a single-photon detection system includes an optical amplifier realized in a waveguide, and a photodetector coupled to an output of the optical amplifier. A light detection and ranging system includes the optical amplifier coupled to an optical source and one photodetector. In another embodiment, a photodetection system includes a plurality of optical frequency converters, coupled to an optical source, that sequentially convert a wavelength of photons of the optical source to a final wavelength, and a single-photon photodetector coupled to the optical frequency converters to detect single photons produced by the optical source. In another embodiment, an optical sensor includes an optical pump, and a transducer including an optical ring cavity coupled to the optical pump and configured to utilize optical four-wave mixing to detect an external stimulus. | 04-11-2013 |
| 20130087694 | INTEGRATED PARAMETER MONITORING IN A FIBER LASER/AMPLIFIER - Techniques are disclosed for monitoring parameters in a high power fiber laser or amplifier system without adding a tap coupler or increasing fiber length. In some embodiments, a cladding stripper is used to draw off a small percentage of light propagating in the cladding to an integrated signal parameter monitor. Parameters at one or more specific wavelengths (e.g., pump signal wavelength, signal/core signal wavelength, etc) can be monitored. In some such cases, filters can be used to allow for selective passing of signal wavelength to be monitored to a corresponding parameter monitor. The filters can be external or may be integrated into a parameter monitor package that includes cladding stripper with integrated parameter monitor. Other parameters of interest (e.g., phase, wavelength) can also be monitored, in addition to, or as an alternative to power. Numerous configurations and variations will be apparent in light of this disclosure (e.g., system-on-chip). | 04-11-2013 |
| 20130105672 | Triplexer and/or Optical Line Terminal Compatible with a 10G Ethernet Passive Optical Network and a Housing Therefor | 05-02-2013 |
| 20130105673 | OPTICAL TOUCH PANEL AND OPTICAL TOUCH DEVICE | 05-02-2013 |
| 20130105674 | MULTICHANNEL POLARIZATION STABILIZER | 05-02-2013 |
| 20130146753 | SENSOR AND INSPECTION SYSTEM DEPLOYING AN OPTICAL CONDUIT - Embodiments of an inspection system comprise a conduit that can transmit light between a sensor and a processing component. In one embodiment, the sensor comprises an element that generates an electromagnetic field in response to an input from the processing component. The input comprises a light signal that traverses the conduit to the sensor. The sensor converts the light signal to an electrical signal to operate the element. In one example, the sensor generates a plurality of light signals, which also traverse the conduit to the diagnostic component where the lights signals are processed to determine, in one example, proximity of an object to the sensor. | 06-13-2013 |
| 20130153757 | WAVEGUIDE PHOTOMIXER - Provided is a waveguide photomixer in which an absorption layer is selectively etched to reduce a junction area. The waveguide photomixer includes a buffer layer disposed on a substrate, a first clad layer disposed on the buffer layer and formed to have smaller width than that of a top surface of the buffer layer, an absorption layer disposed on the first clad layer and formed to have smaller width than that of a top surface of the first clad layer, a second clad layer disposed on the absorption layer and formed to have greater width than that of a top surface of the absorption layer, a contact layer disposed on the second clad layer, a first electrode unit disposed on the buffer layer where the first clad layer is not disposed, and a second electrode unit disposed on the contact layer. | 06-20-2013 |
| 20130161495 | PHOTOELECTRIC CONVERTER - A photoelectric converter includes a circuit board, a laser diode, a plurality of optical sensors mounted on the circuit board, a transmission body, and a first lens set, a second lens set, and a plurality of optical fibers mounted on the transmission body. The transmission body defines a reflection groove and a plurality of optical signal splitting holes. A first sidewall of the reflection groove is inclined relative to the transmission direction of the optical signals. A bottom surface of each optical signal splitting hole is inclined relative to the first sidewall and to the second surface. The optical signals transmitted by the first lens set are reflected by the first sidewall. Most of the reflected optical signals are transmitted to the optical fibers via the second lens set, and a small remaining portion of optical signals are reflected by the bottom surface to the optical sensors. | 06-27-2013 |
| 20130168539 | OPTICAL FIBER CONNECTOR - An optical fiber connector includes a photoelectric conversion module and two optical fibers. The photoelectric conversion module includes a PCB, a light emitting unit, and a light receiving unit. The light emitting unit and the light receiving unit are positioned on the PCB and apart from each other. The light emitting unit and the light receiving unit are electrically connected to the PCB. The optical fibers with distal portions thereof are aligned with and optically coupled with the light emitting unit and the light receiving unit. The longitudinal direction of the distal portions of the optical fibers is perpendicular to the PCB. | 07-04-2013 |
| 20130206969 | Background-Free Balanced Optical Cross Correlator - A balanced optical cross correlator includes an optical waveguide, a first photodiode including a first n-type semiconductor and a first p-type semiconductor positioned about the optical waveguide on a first side of the optical waveguide's point of symmetry, and a second photodiode including a second n-type semiconductor and a second p-type semiconductor positioned about the optical waveguide on a second side of the optical waveguide's point of symmetry. A balanced receiver including first and second inputs is configured to produce an output current or voltage that reflects a difference in currents or voltages, originating from the first and the second photodiodes of the balanced cross correlator and fed to the first input and to the second input of the balanced receiver. | 08-15-2013 |
| 20130214138 | CRITICAL ANGLE OPTICAL SENSOR APPARATUS - An optical sensor apparatus includes an optically transmissive structure having planar first, second, and third faces, two or more light sources located outside the structure adjacent the first face, and a photodetector array located outside the prism adjacent the first face. The structure, light sources, and photodetector array are configured such that light from the light sources that is totally internally reflected at an optical interface between the prism and a sample outside the structure proximate the second face is reflected at the third face and incident on a portion of the photodetector array that depends on a refractive index of the sample. The light sources are positioned with respect to the structure and photodetector array such that the totally internally reflected light from each light source corresponds to a different range of refractive index of the sample and maps to a corresponding portion of the photodetector array. | 08-22-2013 |
| 20130214139 | DISTRIBUTIVE OPTICAL ENERGY SYSTEM - A system for generating and transmitting energy including prisms, lenses, mirrors, optical conduits, heat filters, light filters, and electricity filters. The lenses comprise lens systems to capture electromagnetic signals coming from any source of radiant energy. Upon receiving the electromagnetic signals, the lens system multiplies n times the intensity of the signals by a method of infinitesimal folding of signals, a method basically consisting of an overconcentration of signals folding onto themselves multiple times in order to produce substantially concentrated signals and to project the substantially concentrated signals into one single optical cable. These substantially concentrated signals are transmitted long distances as they are reflected through the interior of these optical conduits (in a conceptual manner similar to signal reflection in Tiber optics cables). At the distal ends of the optical cable three filters will extract heat, white light and electricity. | 08-22-2013 |
| 20130221211 | Broadband Optical Phase Detection and Phase Noise Removal with an Optical Resonator - A phase noise detection apparatus comprises a laser beam, an optical resonator coupled thereto at a coupling point and a photodetector receiving light from the laser beam. The laser beam and the resonator coupled thereto convert phase noise of light transported by the laser beam prior to the coupling point into intensity noise of light transported by the laser beam thereafter. Intensity noise is converted into an electrical signal by the photodetector. The electrical signal is sent through a first signal path and a second signal path such that the first signal path transports a signal substantially proportional to the intensity noise, which is integrated in an integrator in the second path. Relative gain of the two signal paths can be adjusted and the overall gain of the signal path is preferably such that the optical phase modulator at least partially cancels said phase noise in the optical domain. | 08-29-2013 |
| 20130228675 | MULTICHANNEL ANALYTICAL INSTRUMENTS FOR USE WITH SPECIMEN HOLDERS - An analytical instrument may have multiple distinct channels. Such may include one or more illumination sources and sensors. Illumination may be delivered to specific locations of a specimen holder, and returned illumination may be delivered to specific locations of a sensor array. Illumination may first pass a specimen, and a mirror or reflector may then return the illumination past the specimen. Optical splitters may be employed to couple pairs of fiber optics proximate a specimen holder. Such channels may further include a plurality of illumination sources positioned on one side of a specimen holder and a plurality of sensors on the other side. The plurality of sensor may capture image of a specimen and a spectrophotometer may concurrently scan the specimen. A plurality of specimens may be imaged and scanned in a single pass of a plurality of passes. Spherical or ball lenses may be placed in an optical path of the illumination to achieve a desired illumination pattern. | 09-05-2013 |
| 20130234010 | OPTICAL COUPLING DEVICE - An optical coupling device includes an optical coupling member, at least one photoelectric converter, and at least one optical fiber. The optical coupling member has a first surface, on which at least one first lens is provided, a second surface, on which at least one second lens is provided, and a reflective surface. The photoelectric converter faces the first lens of the optical coupling member, and the optical fiber faces the second lens of the optical coupling member. The optical coupling device satisfies a condition of 0.3<β<0.9; β=NA1/NA2, where NA1 is a numerical aperture of the photoelectric converter; NA2 is a numerical aperture of the optical fiber. | 09-12-2013 |
| 20130240717 | OPTICAL SENSOR - A monitor-light-emitting device and multiple light-emitting devices are mounted on a board, and a light-guiding member is disposed in front of these devices. Monitor light emitted from the monitor-light-emitting device is directly supplied to a light receiving device. Part of light emitted from the multiple light-emitting devices is incident on the light-guiding member and is used as reference light. The reference light is received by the light receiving device. Reflected detection light that has been reflected off a target object located in front of the optical sensor is transmitted through the light-guiding member and is received by the light receiving device. A condenser is disposed in front of the light receiving device and the reference light or the reflected detection light is efficiently supplied to the light receiving device. | 09-19-2013 |
| 20130248694 | LIGHT-RECEIVING-ELEMENT MODULE - A light-receiving-element module is provided which has a greater high-frequency characteristic and light receiving sensitivity than those of conventional technologies. A light-receiving-element module includes a first refractive part that refracts an optical signal with a first wavelength or an optical signal with a second wavelength, and a second refractive part that refracts the optical signal with the first wavelength and the optical signal with the second wavelength refracted by the first refractive part so as to reduce a chromatic aberration. The light-receiving-element module also includes a light receiving element that converts the optical signal with the first wavelength or the optical signal with the second wavelength refracted by the second refractive part into an electric signal by photoelectric conversion. | 09-26-2013 |
| 20130248695 | METHOD AND APPARATUS FOR ANALYTE DETECTION - Methods and apparatus for identifying an analyte in a sample are provided. The apparatus comprises an electromagnetic radiation (EMR) source in optical communication with a receptor. The receptor for receiving a sample and detecting if the sample has been presented to the receptor in a predefined manner. The receptor further directing the EMR received from the EMR source to the sample. The apparatus also comprises a detector in optical communication with the receptor, the detector for capturing transmitted, reflected, scattered EMR, or a combination thereof from the sample received from the receptor. The apparatus further comprises a user interface for presenting information obtained from the sample and the receptor, and the characteristics of one or more analytes in the sample, and a communications unit in operative association with the detector for transmitting the characteristics of one or more analytes in the sample to a processor or spectrograph. | 09-26-2013 |
| 20130248696 | SUNLIGHT COLLECTION STRUCTURE, MULTI LIGHT COLLECTION METHOD, AND SUNLIGHT TRANSMISSION DEVICE - The present invention relates to a method for collecting sunlight through an image method by tracking the sun using a dish-shaped light collector or a paraboloidal light collector and, and to a method and an apparatus for transmitting high-density light as the collected sunlight to a remote place, to which the light is applied, and for generating super-high-density light by combining, in a multi-stage manner, the high-density light obtained through a plurality of light collectors. A first concave-paraboloidal reflector of a paraboloidal light collection unit can collect light, transmit the collected light to the remote place, and provide an efficient and quantitative use environment to an applied device by using a paraboloidal reflector set including: a first concave-paraboloidal mirror in which a slope of a paraboloide is provided to make a narrow width so that downward reflection is greater than or equal to 90% by an angle between an incident angle at an inner point of a paraboloidal mirror and a normal surface, the angle being larger than a critical angle, and which has an opening formed at the lower side of a central axis thereof; and a second convex-paraboloidal reflector, which has a small diameter, shares a focus of the first concave-paraboloidal mirror, and has a miniaturized shape of the first concave-paraboloidal mirror at a focal portion without an opening at a central axis thereof. | 09-26-2013 |
| 20130277540 | MULTIPLE WAVELENGTH CONFIGURATION FOR AN OPTICAL ENCODER READHEAD - A readhead and scale arrangement comprises: a readhead comprising a light source configured to output diverging source light comprising a plurality of individually detected wavelengths and at least a first optical signal receiver channel configured to provide a first set of position signals; and a scale track extending along the measuring axis direction on a scale member comprising a scale grating, the scale track configured to diffract the first diverging source light to provide first and second diffracted scale light portions of each of the individually detected wavelengths to the first optical signal receiver channel which provide interference fringes. The readhead comprises an optical path difference element, arranged such that respective wavelengths undergo different phase shifts. Such an encoder is robust to scale track contamination and other signal degradation. | 10-24-2013 |
| 20130277541 | SOLID-STATE IMAGING DEVICE AND IMAGING SYSTEM INCLUDING SOLID-STATE IMAGING DEVICE - Provided is a solid-state imaging device capable of ranging with high precision even when the pixel size is small. The solid-state imaging device includes: an optical waveguide having multiple regions with different refractive indices; and a photoelectric conversion unit for converting light guided through the optical waveguide into an electrical signal. The optical waveguide includes a main waveguide located on a light incident side, and a first sub waveguide and a second sub waveguide connected to the main waveguide and located on the photoelectric conversion unit side. The main waveguide guides light which enters from a first direction and light which enters from a second direction. The first sub waveguide and the second sub waveguide guide light which has entered from the first direction and has passed through the main waveguide and light which has entered from the second direction and has passed through the main waveguide, respectively. | 10-24-2013 |
| 20130299684 | LIGHT-TRAPPING SHEET AND ROD, AND LIGHT-RECEIVING DEVICE AND LIGHT-EMITTING DEVICE USING THE SAME - A light-trapping sheet of the present disclosure includes: a light-transmitting sheet; and light-coupling structures arranged in an inner portion of the light-transmitting sheet. The light-coupling structure includes first, second and third light-transmitting layers. A refractive index of the first and second light-transmitting layers is smaller than that of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than those of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the surfaces of the light-transmitting sheet. The light-trapping sheet further includes a transparent cover sheet opposing at least one of the surfaces of the light-transmitting sheet with a gap interposed therebetween. | 11-14-2013 |
| 20130306846 | OPTICAL FIBER CONNECTOR INCLUDING LIGHT TRANSCIVERS - An optical fiber connector is positioned on a printed circuit board (PCB) and includes a main body, a number of slots, and a number of optical fibers. The main body includes a number of light transceivers. Each of the light transceivers includes a light transmitting module and a light receiving module adjacent to the light transmitting module. One end of each of the optical fibers is optically coupled to a respective one of the light emitting modules and the light receiving modules, and the other end of each of the optical fibers is mounted on a respective one of the slots. | 11-21-2013 |
| 20130306847 | OPTICAL TRANSMISSION MODULE AND CIRCUIT BOARD INCLUDING SAME - An exemplary optical transmission module includes a flexible printed circuit board (FPCB). The FPCB includes a first end and a second end, and defines a receiving groove between the first end and the second end. The optical transmission module further includes an electrical-optical converter (E/O converter) set on the FPCB adjacent to the first end, an optical-electrical converter (O/E converter) set on the FPCB adjacent to the second end, an optical waveguide received in the receiving groove, first metal pins set at the first end and electrically connected to the E/O converter, and second metal pins set at the second end and electrically connected to the O/E converter. A circuit board including the optical transmission module is also provided. | 11-21-2013 |
| 20130306848 | Assembly for Monitoring Output Characteristics of a Modulator - A photonic assembly is described. The assembly comprises a substrate. An optical modulator ( | 11-21-2013 |
| 20130313417 | LIGHT EMISSION DETECTION DEVICE AND METHOD OF MANUFACTURING THE SAME - A light emission detection device having a flow path from which light to be detected is emitted is provided. The device includes a detection-side substrate having a joining surface and a detection surface provided opposite the joining surface, the joining surface having a depression and a light-shielding film provided over an area excluding the depression, the depression forming the flow path, the detection surface transmitting the light emitted from the flow path; and a wiring-side substrate having a joining surface and a conductive pattern provided with a varying thickness on the joining surface, the joining surface of the wiring-side substrate joining the joining surface of the detection-side substrate. In the area over which the light-shielding film is provided, adhesive is provided with a thickness corresponding to the varying thickness of the conductive pattern and the detection-side substrate and the wiring-side substrate are closely joined to each other with the adhesive. | 11-28-2013 |
| 20130334406 | LIGHT GUIDE MODULE AND OPTICAL DETECTION DEVICE THEREOF - A light guide module is disclosed in the present invention. The light guide module includes a light guide plate, and an optical reflecting structure disposed on a bottom of the light guide plate. A beam is transmitted into the light guide plate through its side surface. Total internal reflection characters of the light guide plate is interfered by the optical reflecting structure, so that the beam can emit out of the light guide plate through a light emitting surface of the light guide plate. The optical reflecting structure includes a first reflecting layer disposed on the bottom, and a second reflecting layer formed above the first reflecting layer. The beam is absorbed by the first reflecting layer. The beam is reflected out of the light emitting surface via the second reflecting layer, and the second reflecting layer is between the first reflecting layer and the light guide plate. | 12-19-2013 |
| 20130334407 | LARGE AREA, LOW F-NUMBER OPTICAL SYSTEM - Large area, low f-number optical systems, and microfluidic systems incorporating such optical systems, are disclosed. Large area, low f-number optical systems may be used to collect light from plurality of micro channels associated with a plurality of flow cytometers. The optical systems may be configured to collect light from a source area having an object lateral length or width within a range of 25 mm and 75 mm, configured to have an f-number within a range of 0.9 to 1.2, and configured to have a working distance within a range of 10 mm to 30 mm. | 12-19-2013 |
| 20130341496 | OPTICAL SENSOR AND MOUNTING INTERFACE - A sensor includes an enclosure having a housing and a lower cassette that cooperate to provide a sealed volume in which an optical sensor assembly is enclosed and protected. The optical sensor assembly includes a circuit board with a light source and a light detector. The sensor assembly further includes a light pipe that guides light from the sensor onto a target and a lens guides reflected light from the target onto the light detector. Lower ends of the light pipe and the lens are supported by a recess in the lower cassette. Upper ends of the light pipe and the lens are supported by an upper cassette. The upper cassette is positively located and mounted to the circuit board and received in an internal receptacle in the lower cassette. Mounting the lower cassette to the housing encloses the optical sensor assembly in the proper alignment. | 12-26-2013 |
| 20140001348 | AUTOMATED SHUTTER FOR DARK ACCLIMATING SAMPLES | 01-02-2014 |
| 20140021340 | OPTICAL CHARACTERISTIC MEASURING APPARATUS - An optical characteristic measuring apparatus includes a hemispheric portion having a reflective surface on its inner wall, and a plane portion arranged to close an opening of the hemispheric portion and having a reflective surface on an inner-wall side of the hemispheric portion. The plane portion includes a first window occupying a range including a substantial center of curvature of the hemispheric portion for attaching a light source to the first window. At least one of the hemispheric portion and the plane portion includes a plurality of second windows arranged in accordance with a predetermined rule for extracting light from inside the hemispheric portion. | 01-23-2014 |
| 20140027624 | OPTICAL FIBER ASSEMBLY CAPABLE OF DETECTING LIGHT INTENSITY - An optical fiber assembly includes a prism, a light emitting element, an optical fiber, and a light detector. The prism includes an incident surface, an emergent surface, a first reflecting surface, a second reflecting surface, and a third reflecting surface. A collimating portion is positioned on the incident surface. The light emitting element faces the collimating portion for emitting light beams. The optical fiber faces the emergent surface. The light detector faces the incident surface. The collimating portion collimates the light beams to parallel first and second light beams. The first light beams are projected to the first reflecting surface, reflected to the emergent surface, and are reflected to the fiber optical. The second light beams are projected to the second reflecting surface, reflected to the third reflecting surface, and reflected to the light detector. | 01-30-2014 |
| 20140061449 | Handheld Characteristic Analyzer and Methods of Using the Same - Disclosed is a portable handheld characteristic analyzer used to analyze chemical compositions in or near real-time. One method of using the analyzer to determine a characteristic of a sample includes directing the handheld characteristic analyzer at the sample, the handheld characteristic analyzer having at least one integrated computational element arranged therein, activating the handheld characteristic analyzer, thereby optically interacting the at least one integrated computational element with the sample and generating optically interacted light, receiving the optically interacted light with at least one detector arranged within the handheld characteristic analyzer, generating an output signal corresponding to the characteristic of the sample with the at least one detector, receiving the output signal with a signal processor communicably coupled to the at least one detector, and determining the characteristic of the sample with the signal processor. | 03-06-2014 |
| 20140061450 | ELECTRO-OPTIC MODULATOR - A method for controlling an electro-optic modulator device includes measuring a performance metric of the device to define a first measured performance value, and changing a state of a first tuning portion of the device to connect the first tuning portion to ground. | 03-06-2014 |
| 20140061451 | BIDIRECTIONAL OPTICAL MODULE - A bidirectional optical module for communicating optical signals bidirectionally via a single optical fiber is provided. The bidirectional optical module includes an optical fiber, a stem having a cavity formed at one side thereof and first alignment marks formed near an entrance of the cavity, a light emitting device mounted on the cavity, a light receiving device mounted on the cavity and spaced apart from the light emitting device, a filter block part fixed near the entrance of the cavity and configured to deliver light output from the light emitting device to the optical fiber and deliver light input through the optical fiber to the light receiving device, and a cap configured to accommodate the light emitting device, light receiving device, and a filter block part between the cap and the stem. | 03-06-2014 |
| 20140117217 | SINGLE PHOTON SPECTROMETER - A fiberized single photon sensitive spectrometer on a 32-channel PMT sensor is highly sensitive with broad detection dynamic range. The spectrometer enables accurate and high speed detection, identification and analysis of biological samples labeled with multiple fluorescent markers, such as compositions of multi-color fluorescence signals or radiation emitted by multiple fluorescence dyes. A fiberized optical input of the spectrometer allows an easy and efficient coupling to any measurement system based on fiber collection of the analyzed fluorescence. The spectrometer provides highly accurate DNA sequencing. A 32 channel PMT single photon detector has a detection dynamic range of more than 20 bits and has a frame rate of about 3300 frames per second. The dynamic range of the detector's pixels reaches 10 | 05-01-2014 |
| 20140175268 | OPTICAL FIBER ASSEMBLY CAPABLE OF DETECTING LIGHT INTENSITY - An optical fiber assembly includes a prism, four first collimating portions, four second collimating portions, two third collimating portion, two light emitting elements, two light receiving elements, four optical fibers, and two light intensity detectors. The prism includes an incident surface, a first reflecting surface, a first emergent surface, a second reflecting surface, and a second emergent surface. | 06-26-2014 |
| 20140191118 | Apparatus and System for Measuring Flicker of Display Panel - An apparatus and a system for measuring flicker of a display panel are disclosed. The apparatus comprises a light guide tube, a measuring probe for flicker measurement, and an optical device for diverging fight. The light guide tube comprises an opening at a first end and an opening at a second end. The trumpet-shaped light guide tube gradually enlarges from the opening at the second end to the opening at the first end. The opening at the first end is used fir receiving light emitting from the periphery regions and the center region of the display. Light entering into the light guide tube through the opening at the first end emerges from the opening at the second end and is transmitted to the measuring probe through the optical device having a diverging effect. The more overall flicker information is acquired to improve the accuracy of measurement. | 07-10-2014 |
| 20140209796 | IMAGE CAPTURING ILLUMINATION APPARATUS - The illumination apparatus includes a light collector directing light from a light source, radially inward further than the light source, and a light guider provided radially inside further than the light source so as to circumferentially extend and guiding the light from the light source toward an area extending to a side away from the light source and causing the light from the light source to exit toward a light projecting direction. The light collector includes two reflective surfaces on a light projecting direction side and on an opposite side thereto in the thickness direction, and a light exiting opening between the two reflective surfaces. In a sectional plane along the thickness direction, a direction of a center of a light exit range from the light collector tilts to the opposite side to the light projecting direction side. | 07-31-2014 |
| 20140231636 | FIBER OPTIC ACOUSTIC SENSOR ARRAYS, FIBER OPTIC SENSING SYSTEMS AND METHODS OF FORMING AND OPERATING THE SAME - A fiber optic acoustic sensing array. The fiber optic acoustic sensing array includes a core strength member and an optical fiber wound on the core strength member. The optical fiber includes a plurality of Fiber Bragg Gratings, and is coated with a voided plastic coating. An outer jacket covers the optical fiber coated with the voided plastic coating. Also disclosed are fiber optic sensing systems, methods of forming a fiber optic acoustic sensing array, and methods of operating fiber optic sensing systems. | 08-21-2014 |
| 20140239164 | SYSTEMS AND METHODS FOR MONITORING MATERIALS - The present disclosure provides sensing systems and methods that are useful for monitoring materials (e.g., cement) via light diffusion to identify characteristics thereof and changes therein. The systems can utilize a light source, a light sensor, and light transmitting members combined with the material to be monitored. In use, light from the light source can be allowed to scatter through the material via the light transmitting members for detection by the light sensor. The data regarding the light transfer can be transmitted utilizing a communication interface and can be analyzed using data processing equipment. The systems and methods may particularly be utilized in monitoring the reinforcing cement positioned between the casing and the formation in an oil well. | 08-28-2014 |
| 20140239165 | OPTICAL SYSTEM FOR DETECTING THE STATE OF WINDING OF A CABLE ON A WINCH - A system allowing automatic detection of the end of winding of a cable on a winch comprises an optical detector which emits, in the direction of the cable, a light beam which illuminates a given zone through which the cable travels in the course of its winding. The detector is associated with a specific marking, strongly reflecting, positioned on a section of the cable close to its end, such that, when this section enters into the zone illuminated by the detector, it reflects the beam in the direction of the detector which detects this reflected beam and which then signals that the cable is almost at the end of winding. The detector, placed in a fixed position at a given distance from the cable, is also associated with a light waveguide interposed between the cable and the optical detector. | 08-28-2014 |
| 20140246571 | REFLECTION-ENHANCED PHOTO-DETECTOR - An integrated optical device includes a photo-detector (such as germanium) optically coupled to an optical waveguide. This photo-detector is deposited on the optical waveguide, and an optical signal propagating in the optical waveguide may be evanescently coupled to the photo-detector. In order to increase the absorption length of the photo-detector, a mirror (such as a distributed Bragg reflection grating) is included in the optical waveguide near the end of the photo-detector. This mirror reflects the optical signal back toward the photo-detector, thereby increasing the absorption of the optical signal by the photo-detector. In addition, absorption may be reduced by using electrical contacts that are electrically coupled to the photo-detector at locations where the optical mode of the optical signal is largely in the underlying optical waveguide, and by using a fingered metal layer to couple to the electrical contacts. | 09-04-2014 |
| 20140252213 | Proximity Sensor Module With Light Reflector - A proximity sensor may be mounted below a display cover layer in an electronic device. The proximity sensor may have a light source that emits light and a detector configured to detect reflections of the emitted light from nearby external objects. The light emitted from the light source may pass through a lens along an axis towards external objects. The light source and the detector may be mounted in a proximity sensor housing having openings that are aligned with the light source and the detector. A reflector may be mounted to the proximity sensor in a configuration that bridges the opening over the light source. The reflector may be formed from a strip of metal or a strip of prism structures. Some of the light from the light source reflects from the reflector at a non-zero angle with respect to the axis and enhances proximity sensor performance. | 09-11-2014 |
| 20140263984 | INDEXING SIGNAL DETECTION MODULE - An indexing signal detection module is configured to index one or more signal detectors past each of a plurality of sources of detectable signal emissions to detect or measure a signal emitted by each source. A plurality of signal transmission conduits transmit signal emitted by the sources from a first end of each conduit to a second end of each conduit where the signal may be detected by a signal detector. A conduit reformatter is configured to secure the first ends of the respective signal transmission conduits in a first spatial arrangement corresponding to a spatial arrangement of the signal emission sources and to secure the second ends of the respective signal transmission conduits in a second spatial arrangement different from the first spatial arrangement. | 09-18-2014 |
| 20140291497 | OPTICAL DISPLACEMENT ENCODER - An optical encoder includes a light source fiber holder holding a light source fiber and a collecting lens therein, and a nut. The light source fiber holder includes an end fitting together with a light source base. An outer circumferential surface of the end includes an inclined surface inclining such that a cross-sectional area increases as the surface approaches the light source fiber; and a projection capable of advancing into a groove of the light source base. The optical encoder includes a light source connector and the light source fiber holder. | 10-02-2014 |
| 20140299751 | Superconducting Single Photon Detector - The present invention provides a device and system for high-efficiency and low-noise detection of single photons within the visible and infrared spectrum. In certain embodiments, the device of the invention can be integrated within photonic circuits to provide on-chip photon detection. The device comprises a traveling wave design comprising a waveguide layer and a superconducting nanowire atop of the waveguide. | 10-09-2014 |
| 20140299752 | OPTICAL DEVICE AND OPTICAL MODULE - The invention discloses an optical device and an optical module, the optical device includes a collimation lens arranged on an outer surface for converting incident light from a light source to parallel light, further includes a transmission light total reflection surface for totally reflecting a part of the parallel light at a first angle so that the part of the parallel light is finally coupled to an external optical fiber, a detection light total reflection surface for totally reflecting a part of the parallel light at a second angle so that the part of the parallel light is finally coupled to an external optical detector, and at least one attenuation light reflection surface for totally reflecting parallel light to be attenuated at a third angle before the parallel light leaves the optical device. The invention achieves the light intensity attenuation while realizing the direction-changing transmission of light signals. | 10-09-2014 |
| 20140306100 | DEVICE FOR DETECTING AND/OR MONITORING OPTICALLY INVISIBLE OBJECTS - This detecting and/or monitoring device ( | 10-16-2014 |
| 20140312214 | OPTICAL COMMUNICATION APPARATUS - Optical communication apparatus includes a PCB, a photoelectric unit electrically connected to the PCB, a supporting member positioned on the PCB, a coupler supported on the supporting member, and an optical fiber unit. The coupler optically couples the photoelectric unit to the optical fiber unit. The supporting member defines a through stepped hole having a larger first hole and a smaller second hole. The supporting member includes a step portion between the first hole and the second hole. The second hole is closer to the PCB than the first hole. One of the supporting member and the coupler defines a plurality of wedged positioning holes, the other of the supporting member and the coupler comprises a plurality of wedged positioning poles corresponding to positioning holes, and the coupler is connected to the supporting member by inserting the positioning poles into the corresponding positioning holes. | 10-23-2014 |
| 20140326860 | MULTIPLEXED FIBER OPTIC SENSING SYSTEM AND METHOD - A sensing system includes plurality of sensors along the lengths of input and output optical fibers. Each sensor receives broadband pulses from the input fiber, dynamically senses a plurality of physical parameters in a one-to-one correspondence with a plurality of predefined wavelength bands, and forms signal pulses from the broadband pulses by transmitting only a single wavelength within each wavelength band. Each single wavelength has a dynamically-varying peak wavelength value indicative of the corresponding sensed physical parameter. The signal pulses from the output optical fiber are directed into one or more interferometers, which produce a phase deviation corresponding to each dynamically-varying peak wavelength value. | 11-06-2014 |
| 20140326861 | PHOTOELECTRIC WIRING MODULE - Disclosed is a photoelectric wiring module which includes: a substrate; a frame mounted on the substrate; an optical device package configured to perform photoelectric conversion or electro-optic conversion of a signal; an optical control device configured to control an operation of the optical device package; and an optical transmission line configured to transmit an optical signal that is emitted from the optical device package or incident on the optical device package. Electrical terminals are disposed on the frame, the optical device package is mounted on the frame, and the optical control device is disposed within the frame and mounted on the substrate. | 11-06-2014 |
| 20140332674 | FLOW CELL AND LIQUID ANALYZER - To prevent lowering of sensitivity of a flow cell based on total reflection of light at an outer face of a glass capillary at a joint part with a pipe, the flow cell includes, at joint parts with a pipe | 11-13-2014 |
| 20140339402 | MULTI-OUTPUT TERMINAL CONNECTOR - A connector includes an input terminal, a light splitting module, and a number of output terminals. The input terminal is electrically connected to a first electrical device, and receives a first electrical signal from a first electrical device, and converts the first electrical signal to a first optical signal. The light splitting module converts the first optical signal to a number of second optical signals. The output terminals correspond to the first light emitters. Each of the output terminals converts a corresponding second optical signal to a second electrical signal, and transmits the second electrical signal to a second electrical device. | 11-20-2014 |
| 20140339403 | OPTICAL RECEPTACLE AND OPTICAL MODULE - The present invention relates to an optical receptacle that can generate monitor light and can be also produced by integral molding, and an optical module having the optical receptacle. The optical receptacle has a first optical face on which light emitted from a light emitting element is incident, reflection surfaces that reflect the light to a light receiving element, a light splitting section that splits the light into monitor light heading for the light receiving element and signal light heading for an end face of an optical fiber, and a second optical face that emits the signal light toward the end face of the optical fiber. The light splitting section has a divided transmission surface and a divided reflection surface. The divided reflection surface is an inclining surface with respect to an optical axis of the light reflected by the reflection surfaces. | 11-20-2014 |
| 20140346329 | PHOTOACOUSTIC TRANSDUCER WITH OPTICAL FEEDBACK - A photoacoustic ultrasound transducer receives excitation light on a bundle of optical fibers. The optical fibers in the bundle are divided to direct the excitation light onto light bars positioned on either side of an imaging stack. A small portion of the optical fibers direct a portion of the excitation light onto an optical sensor that is located within the transducer housing. | 11-27-2014 |
| 20140346330 | APPARATUS FOR MONITORING THE PROCESS PERFORMANCE OF A LASER SYSTEM WITH A POWER OPTICAL FIBER - The present invention relates to an apparatus for monitoring the process performance of a laser system with a high-power optical fiber cable ( | 11-27-2014 |
| 20140361153 | PHOTOELECTRIC CONVERSION MODULE AND OPTICAL TRANSMISSION UNIT - A photoelectric conversion module includes: a substrate having a wiring layer and a through hole; a photoelectric conversion element having a light emitting unit or light receiving unit and mounted on the substrate such that the light emitting unit or light receiving unit faces the through hole; a protruding portion that has a hole portion communicating with the through hole, and protrudes from one of principal surfaces of one of the substrate and the photoelectric conversion element, one of the principal surfaces facing the other one of the substrate and the photoelectric conversion element; and an adhesive that is filled in a part of a region between the substrate and the photoelectric conversion element, the region being a region outside an inner peripheral surface of the hole portion, and that bonds the substrate to the photoelectric conversion element. | 12-11-2014 |
| 20140374577 | OPTICAL POWER MEASUREMENT DEVICE - An optical power meter including a mechanical interface that establishes a predetermined air gap, while avoiding physical contact with the sensitive area of the DUT. The mechanical interface is formed such that the test instrument contacts the DUT in the non-sensitive region over an area large enough to establish contact pressure that is well within the strength of the DUT's material. Accordingly, the non-contacting optical element enables optical power to be collected and relayed with a quantifiable and repeatable power loss. A high-NA, large area optical element is used to collect and relay optical power accurately while maintaining low sensitivity to axial or radial alignment. | 12-25-2014 |
| 20150034811 | Band Pass Optical Touch Sensing Apparatus and Method - The present disclosure relates to optical touch sensing technology. Provided is an apparatus comprising an emitting optical waveguide comprising input and output areas, an emitting optical distributed band pass filter disposed at the output area, a receiving waveguide disposed at a spaced apart location from the emitting waveguide, and a receiving distributed band pass filter at an input area of the receiving waveguide. The apparatus may comprise a tunable light source for cycling through a plurality of frequency bands of light for scanning a length of the waveguides for an obstruction (e.g. a touch). The apparatus may be used in place of the plurality of light source/photo detector pairs found in conventional touch screen devices. | 02-05-2015 |
| 20150060652 | PASSIVE, WIDE-SPECTRAL-BAND LASER THREAT SENSOR - The present disclosure describes methods and systems for passive detection of wide-spectral-band laser emissions. One method includes receiving optical energy from an emission source at a surface of an object, transmitting the received optical energy through the surface using a detection patch coupled to the surface, the detection patch incorporating an exterior terminating end of each of one or more of a plurality of optical fibers embedded in a casting, transmitting the optical energy to a light sensor using a light pipe coupled to interior terminating ends of the one or more optical fibers, and analyzing, by operation of a computer, the optical energy received at the light sensor. | 03-05-2015 |
| 20150129751 | DISTRIBUTED SENSING SYSTEM EMPLOYING A FILM ADHESIVE - A distributed sensing apparatus and system including one or more optical fibers disposed in a channel on the surface of a central member. A layer of film adhesive is disposed between the central member and a sheath. The film adhesive is circumferentially wrapped around the central member prior to arranging the sheath around the central member. The film adhesive is then cured and expanded to firmly attach the optical fiber to the sheath. | 05-14-2015 |
| 20150129752 | POLYSILICON PHOTODETECTOR, METHODS AND APPLICATIONS - A silicon photonic photodetector structure, a method for fabricating the silicon photonic photodetector structure and a method for operating a silicon photonic photodetector device that results from the photonic photodetector structure each use a strip waveguide optically coupled with a polysilicon material photodetector layer that may be contiguous with a semiconductor material slab to which is located and formed a pair of electrical contacts separated by the polysilicon material photodetector layer. Alternatively, the pair of electrical contacts may be located and formed upon separated locations of the polysilicon photodetector layer. Within the foregoing silicon photonic photodetector structure and related methods the polysilicon material photodetector layer includes defect states suitable for absorbing an optical signal from the strip waveguide and generating an electrical output signal using at least one of the electrical contacts when the optical signal includes a photon energy less than a band gap energy of a polysilicon material from which is comprised the polysilicon material photodetector layer. Alternatively, the silicon photonic photodetector structure may include appropriate photodetection circuitry. The silicon photonic photodetector structure and related methods avoid the use of germanium and indium phosphide-based materials. | 05-14-2015 |
| 20150136959 | OPTICAL CIRCUIT-TYPE REFORMULATED FUEL DETECTING SENSOR DEVICE AND METHOD FOR MANUFACTURING SENSOR ELEMENT THEREOF - Disclosed herein is an optical circuit-type reformulated fuel detecting sensor device. The optical circuit-type reformulated fuel detecting sensor device includes: an optical source part generating optical signals having a single wavelength; a sensor part receiving the optical signals generated by the optical source part and outputting a reference optical signal and a sensed signal; a first photo-detector receiving the reference optical signal and outputting a reference optical output signal; a second photo-detector receiving the sensed signal and outputting a sensed optical output signal; an operation controlling part receiving the reference optical output signal and the sensed optical output signal and determining characteristics of fuel; and an output part receiving and outputting a result of the operation controlling part. | 05-21-2015 |
| 20150292939 | LIGHT-GUIDING DEVICE AND DISPLAY APPARATUS - Difference between light intake quantities just from a front and from an upper direction is reduced in an illuminance sensor. A light-guiding member includes a light-guiding member base part, a compound light-guiding part and an infrared light receiving light-guiding part. Side surface parts each extending backward are formed at right and left ends of the light-guiding member base part. The compound light-guiding part includes a front square column part extending frontward from the light-guiding member base part, a back square column part extending backward therefrom, and a round column part extending frontward from the front square column part. A plurality of slits are formed in the light-guiding member base part such that boundaries of base portions of the front square column part and the back square column part communicate with each other. | 10-15-2015 |
| 20150309302 | BOROSCOPE AND A METHOD OF PROCESSING A COMPONENT WITHIN AN ASSEMBLED APPARATUS USING A BOROSCOPE - A boroscope has a first end and a second end and the first end of the boroscope has an optical fibre, a light source, a lens, a beam expander and a transmissive diffractive optical element. The optical fibre extends from the first end of the boroscope to the second end of the boroscope. A laser optical fibre extends from the lens at the first end of the boroscope to the second end of the boroscope and a laser source is arranged to direct a laser beam into the laser optical fibre. The beam expander is provided between the laser optical fibre and the lens and the lens is provided between the beam expander and the transmissive diffractive optical element. The transmissive diffractive optical element is arranged to produce a laser beam with a predetermined shape and a focal length probe extends from the first end of the boroscope. | 10-29-2015 |
| 20150362660 | Optical Waveguide for Guiding Illumination Light - An optical waveguide serves for guiding illumination light. The waveguide has a waveguide main body for guiding the illumination light between a main body entrance region and a main body exit region. At least one coupling-out device is provided in the main body exit region. Via the coupling-out device, at least one coupling-out illumination light partial beam is coupled out from the illumination light emerging from the waveguide main body. This is done such that the coupling-out illumination light partial beam can be separated from the rest of the illumination light beam emerging from the waveguide main body. This results in a waveguide having improved possibilities for use when guiding illumination light. | 12-17-2015 |
| 20150362688 | SINGLE-PHOTON CAMERA - A nanophotonic device comprises at least two segments, wherein each segment comprises a grating coupler for receiving incident light and a superconducting stripe located on a substrate, wherein the grating coupler is optically coupled to a superconducting stripe of a superconducting single-photon detector. The nanophotonic device further comprises at least two further segments which do not comprise a superconducting stripe, wherein the grating couplers in the further segments constitute an optical reference port for aligning an optical fiber array to the nanophotonic device, wherein an optical coupling is provided between at least two of the optical reference ports. Additionally, a single-photon camera comprises a housing, wherein the housing comprises a single-photon detector chip with at least one nanophotonic device, a method for manufacturing the nanophotonic device, and a method for aligning an optical fiber array to the nanophotonic device. | 12-17-2015 |
| 20150369661 | Multi-purpose Thin Film Optoelectric Sensor - An optoelectric sensor, comprising: a light-sensitive structure which comprises a substrate and an array of pixel cells located on the substrate, wherein each of the pixel cells comprises a thin film transistor and a photodiode; a fiber optical guide plate located above the light-sensitive structure, which comprises a group of optical fiber bundles configured to be perpendicular to the substrate, and each of the optical fiber bundles has an diameter smaller than or equal to a width of pixel cell; and a backlight source located below the light-sensitive structure. The fiber plate will enable each pixel cell detecting features of an object surface corresponding thereto more independently, so as to improve the resolution of the optoelectric sensor. The optical fiber bundles are configured to be perpendicular to the substrate, and the optoelectric sensor will have a thin structure. | 12-24-2015 |
| 20160033324 | Spatiotemporally resolved far-field pulse contrast measuring method and device - A spatiotemporally resolved far-field pulse contrast measuring device includes a plano-convex cylindrical lens, a nonlinear correlation crystal, a plano-convex imaging lens and a signal-receiving system. The signal-receiving system includes a fiber array, a photomultiplier and a digital oscilloscope. A measuring method of the device includes steps of: focusing an under-test beam in x dimension to make a focus of the under-test beam fall onto a front surface of the nonlinear correlation crystal; making a spatial correlation and a temporal correlation respectively in two transverse spatial dimensions (x-y) of the nonlinear correlation crystal by the far-field under-test beam and a sampling beam; generating a two-dimensional correlating signal by the spatiotemporal correlation; imaging the two-dimensional correlating signal by an imaging system onto a detection surface of a receiver system; and measuring the x-dimensional and y-dimensional intensity distributions of the correlating signal highly dynamically by the receiver system. | 02-04-2016 |
| 20160047685 | Sensor Device for Attachment to a Drug Delivery Device - A sensor device configured to be attached to a drug delivery device and configured to illuminate the drug delivery device when attached, the sensor device comprising: a light guide having a first surface, a second surface opposed to the first surface, at least one side surface extending between the first and second surfaces and a light out-coupling structure configured to cause diffuse light to be emitted from the first surface when light is input into the light guide; at least one light source configured to in-couple light into the light guide; and an optical sensor arranged to receive light reflected from a surface of the drug delivery device. | 02-18-2016 |
| 20160049529 | Optical Sensor and Manufacturing Method Thereof - Some embodiments of the present disclosure, provide an optical sensor. The optical sensor includes a semiconductive substrate. A light sensing region is on the semiconductive substrate. A waveguide region is configured to guide light from a wave insert, portion through a waveguide portion and to a sample holding portion. The waveguide portion includes a first dielectric layer including a first refractive index. A second dielectric layer includes a second refractive index. The second refractive index is smaller than the first refractive index. A first interconnect portion is positioned in the waveguide portion, configured to transmit electrical signal from the light sensing region to an external circuit. The sample holding portion is over the light sensing region. | 02-18-2016 |
| 20160103016 | Light Sensor Assembly - A light sensor assembly includes a base configured to be fixedly mounted to a housing of a light fixture. The base holds contacts configured to be electrically connected to terminals of the light fixture. A photocell module is provided on the base and includes a photocell electrically connected to the contacts. A sensor lid is coupled to the base. The sensor lid has a lightpipe directing light from an exterior of the sensor lid to the photocell. The sensor lid is variably positionable at different angular positions relative to the base to change an orientation of the lightpipe relative to the photocell. | 04-14-2016 |
| 20160103017 | APPARATUS AND METHOD FOR SENSING PARAMETERS USING FIBER BRAGG GRATING (FBG) SENSOR AND COMPARATOR - Various implementations of an apparatus for sensing one or more parameters are disclosed herein. The apparatus includes a sweeping wavelength laser configured to generate a sweeping wavelength optical signal; an optical fiber including a Fiber Bragg Grating (FBG) structure configured to sense a parameter, wherein the optical fiber is configured to receive the sweeping wavelength optical signal, wherein the FBG structure is configured to produce a reflected optical signal with a particular wavelength in response to the sweeping wavelength optical signal, and wherein the particular wavelength varies as a function of the parameter; a photo detector configured to generate an electrical signal based on the reflected optical signal; a comparator configured to generate a pulse based on a comparison of the electrical signal to a threshold; and a processor configured to generate an indication of the parameter based on the pulse. The comparator may be configured as a Schmitt trigger. | 04-14-2016 |
| 20160116407 | HYBRID FIBER OPTIC PROBE DEVICE FOR ATTENUATED TOTAL REFLECTION SPECTROSCOPIC APPLICATIONS IN UV, VISIBLE AND IR RANGES - A hybrid Attenuated Total Reflection fiber optic probe device having a radiation source; a detecting system; a core-only solid optical fiber probe tip having an input end and an output end; an input hollow fiber waveguide configured for association with the radiation source at a first end and interconnection with the input end of the core-only solid optical fiber probe tip at a second end; an output hollow fiber waveguide configured for interconnection with the output end of the core-only solid optical fiber probe tip at a first end and association with the detection system at a second end; an inwardly tapered solid fiber input radiation collector element configured at a tapered end for interconnection with the second end of the output hollow fiber waveguide so as to receive radiation from the radiation source; wherein an outside diameter of the core-only solid optical fiber probe tip and an inside diameter of each one of the input hollow fiber waveguide and the output hollow fiber waveguide is such that the interconnection between each one of the input hollow fiber waveguide and the output hollow fiber waveguide and the core-only solid optical fiber probe tip is by means of inserting the input end of the core-only solid optical fiber probe tip into the second end of the input hollow fiber waveguide and inserting the output end of the core-only solid optical fiber probe tip into the first end of the output hollow fiber waveguide, such that the core-only solid optical fiber probe tip is held in the input and output hollow fiber waveguides by means of friction, and wherein an outside diameter of a portion of the inwardly tapered solid fiber input radiation collector element and an inside diameter of the second end of the output hollow fiber waveguide is such that the tapered end of the inwardly tapered solid fiber input radiation collector element is held in the end of the second end of the output hollow fiber waveguide by means of friction. | 04-28-2016 |
| 20160123882 | DETERMINATION OF WATER TREATMENT PARAMETERS BASED ON ABSORBANCE AND FLUORESCENCE - A monitoring system configured to receive an on-line sample associated with a process includes a sample chamber positioned to receive the on-line sample and a detector positioned to selectively receive and detect multiple wavelengths of light transmitted through the sample during an absorbance measurement, and emitted by the sample during a fluorescence measurement in response to illumination by each of the at least one excitation wavelength. An optical fiber couples light transmitted through the sample and directs the transmitted light to the multi-channel detector during the absorbance measurement. Optics direct light emitted by the sample during the fluorescence measurement to the detector without passing through any optical fiber. A computer in communication with the detector is configured to correct the fluorescence measurement using the absorbance measurement and determine a sample parameter based on the fluorescence and absorbance measurements of the on-line sample. | 05-05-2016 |
| 20160138944 | Proximity Sensor - A proximity sensor for an electronic device comprises a proximity module, a lens and an optical module secured in an air gap therebetween. The proximity module has an emitter and a detector and is configured to generate a signal that is a function of light emitted by the emitter, and light detected by the detector, some portion of the detected light having been reflected by a target external to the electronic device. A transmissive-reflective surface of the optical module is aligned with the emitter field of view (FOV) and the detector FOV. The optical module guides emitted light through a transmissive portion of the lens to the exterior of the electronic device, and guides target-reflected light collected by the transmissive portion to the detector. The emitter FOV and the detector FOV are substantially aligned with one another. | 05-19-2016 |
| 20160187194 | Power Limiting Methods for Use with Optical Systems in Hazardous Area Locations - A fiber optic sensor interrogation system with inbuilt passive power limiting capability that provides improved safety performance for use in explosive atmospheres. | 06-30-2016 |
| 20160252692 | PHOTONIC CIRCUIT DEVICE WITH ON-CHIP OPTICAL GAIN MEASUREMENT STRUCTURES | 09-01-2016 |
