| Entries |
| Document | Title | Date |
|---|
| 20080204888 | Optical system for luminaire - An optical system for mixing and redirecting light generated by a light source is provided. The optical system comprises a first reflector operatively disposed relative to the light source, the first reflector configured to receive first light emitted by the light source which propagates along lines of sight therebetween and configured to reflect the first light as second light; a diffuser for scattering light incident thereon, the diffuser and the first reflector configured so that second light is incident upon the diffuser, wherein the incident light is diffused as third light and wherein the third light is directed towards the target surface; a second reflector operatively disposed and aligned relative to the diffuser and the first reflector is configured to direct light towards the target surface, thereby illuminating the target surface. | 08-28-2008 |
| 20080266668 | SLM Projection Display with Series DMD Illuminator - The addition of DMD illumination modulator(s) | 10-30-2008 |
| 20080273245 | BEAM SPLITTING MODULE AND A LIGHT SOURCE SYSTEM INCORPORATING THE SAME - A beam splitting module is disposed on a base plate of a light source system, and includes a supporting wall, a beam splitting lens, and a biasing member. The supporting wall has a first wall surface, and is disposed on the base plate such that the first wall surface extends perpendicularly from the base plate. The beam splitting lens has a first lens surface disposed adjacent to the first wall surface of the supporting wall, and a second lens surface opposite to the first lens surface. The biasing member is secured to the base plate, and is disposed adjacent to the second lens surface of the beam splitting lens for urging the beam splitting lens toward the supporting wall such that the first lens surface of the beam splitting lens abuts against the first wall surface of the supporting wall. | 11-06-2008 |
| 20090034086 | PANORAMIC THREE-DIMENSIONAL ADAPTER FOR AN OPTICAL INSTRUMENT AND A COMBINATION OF SUCH AN ADAPTER AND SUCH AN OPTICAL INSTRUMENT - An adapter is provided for adapting an optical instrument, such as a camera ( | 02-05-2009 |
| 20090040620 | DISK STRUCTURE, MANUFACTURING METHOD THEREOF AND OPTICAL TWEEZERS DEVICE USING THE SAME - A disk structure is disposed in an optical tweezers device including a light source for producing incident laser light. The disk structure includes a first substrate, a second substrate and a reflective layer. The second substrate is disposed with respect to the first substrate. One of the first substrate and the second substrate has at least one flow path. The reflective layer, which is adhered to the second substrate, is disposed between the first substrate and the second substrate. After the incident laser light passes through the first substrate and then reaches the reflective layer, the incident laser light is reflected back as reflective laser light by the reflective layer to form reflective laser light. A tweezers light field is formed in the flow path by both the reflective laser light and the incident laser light. | 02-12-2009 |
| 20090052046 | Light guide optical device - The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of the substrate. | 02-26-2009 |
| 20090067056 | Use of Metallized Films to Create Half-Mirrored Parts - The present invention provides half-mirrored parts and methods for creating half-mirrored parts. A half-mirrored part according to one particular embodiment of the present includes: a formable reflective layer and a formable transparent or translucent layer, wherein the formable reflective layer is on one side of the transparent or translucent layer. | 03-12-2009 |
| 20090080085 | Electromagnetic Radiation Pulse Duration Control Apparatus and Method - Apparatus and methods are used for controlling electromagnetic radiation pulse duration in a lithographic apparatus. A dividing element is arranged to divide an electromagnetic radiation pulse into a first portion and a second portion. A prism receives, refracts, and subsequently emits the first portion of the electromagnetic radiation pulse. A directing element is arranged to direct the first and second portions of the electromagnetic radiation pulse parallel to a common optical axis. The first portion combines with the second portion to form a combined radiation beam pulse. The combined radiation beam pulse has a longer pulse duration than the divided electromagnetic pulse and experiences no corresponding loss in intensity. | 03-26-2009 |
| 20090147369 | BEAM SPLITTER FOR A LASER MARKING DEVICE - A laser marking device ( | 06-11-2009 |
| 20090185279 | Image Pickup apparatus - An image pickup apparatus that comprises: an optical path splitting element; an optical system including a variable-optical-power element which is substantially immobile in an optical axis direction and a reflective surface; and an image pickup surface, the variable-optical-power element, the optical system, and the image pickup surface being arranged so that a ray from an object side is divided into two rays by the optical path splitting element, at least one of the rays enters the optical system, and is reflected by the reflective surface to return to the optical path splitting element, and the ray strikes on the image pickup surface via the optical path splitting element. | 07-23-2009 |
| 20090190229 | Spherically shaped optical beamsplitter - A rotatable optical beamsplitter comprises an optically-transparent material and a partially-reflective layer. The optically-transparent material has a unitary spherical exterior surface. The partially-reflective layer is located at least partially within the optically transparent material. The spherically shaped optical beamsplitter demonstrates reduced optical distortion. | 07-30-2009 |
| 20090190230 | Cylindrically Shaped Optical Beamsplitter - An optical beamsplitter comprises an optically-transparent material and a partially-reflective layer therein. The optically-transparent material has a cylindrically shaped exterior surface which provides advantages. | 07-30-2009 |
| 20090213468 | MICHELSON-INTERFEROMETER-BASED DELAY-LINE INTERFEROMETERS - An interferometer includes a means for splitting, at a splitting location, an input light beam into a first beam and a second beam; and means for recombining, at a recombination location, the first beam and the second beam. The interferometer is designed such that the first beam will travel a first optical path length (OPL) from the splitting location to the recombination location, and the second beam will travel a second OPL from the splitting location to the recombination location and such that when the input light beam has bean modulated at a data rate comprising a time interval, then the difference in optical path lengths between the first OPL and the second OPL is about equal to the time interval multiplied by the speed of light. | 08-27-2009 |
| 20100053762 | Intensity-Based One-Way Visible Display System - A one-way display system includes a partially reflective screen with a first image, and a partially absorptive screen with a second image that is an inverse of the first image. The two screens can be stacked on top of each other or separated by a small distance. A portion of ambient light on a first side of the display system passes through the partially reflective screen and exits as intermediate light. A portion of the intermediate light passes through the partially absorptive screen and exits as transmitted light to a second side of the display system. The transmitted light is spatially and chromatically uniform like the ambient light. This allows observers on the second side to see objects on the first side without the first image, and observers on the first side to see the first image. | 03-04-2010 |
| 20100128355 | FLAT FIELD EYEPIECE - A lens system includes a first lens axially aligned with a second lens, where the first and second lenses are configured to be sequentially positioned from a pupil image of a viewer. The second lens is formed as a triplet having three cemented elements. The second lens includes a convex surface facing the first lens, and a flat surface opposing the convex surface of the second lens. The first lens includes a concave surface opposing a flat surface of the first lens; the second lens includes a concave surface and a convex surface; and the concave surface of the first lens and the concave and convex surfaces of the second lens have equal radii of curvatures. | 05-27-2010 |
| 20100177402 | FLOATING IMAGE INTERACTION DEVICE AND ITS PROGRAM - A real mirror image forming optical system is constructed from a half-mirror, and from a retroreflector placed in a position where it recursively reflects either the light passing through or reflected by that half-mirror, so that light emitted from an object to be projected placed behind the half-mirror can pass through either a first light path consisting of passing through the half-mirror, recursive reflection by the retroreflector, and reflection by the half-mirror; or a second light path consisting of reflection by the half-mirror, recursive reflection by the retroreflector, and passing through the half-mirror; thus by one or both of these light paths a real mirror image of the object to be projected is formed at a planar symmetric position with respect to the half-mirror surface. | 07-15-2010 |
| 20100177403 | Optical Systems That Display Different 2-D and/or 3-D Images to Different Observers from a Single Display - An image display system provides a viewer with an experience of three-dimensional imagery by presenting a composite image made up of at least two separate images. The system includes at least first and second image sources, a beam combiner, and a “background-image-occluding element” which prevents background imagery from being seen through foreground image elements. The system presents the image from one of the image sources, containing background image information, at a distance from the viewer which is greater than the distance from the viewer to the other image presented from the other image source, which contains foreground image elements. The “background-image-occluding element” is positioned at the same optical distance from the viewer as the image containing foreground image elements, eliminating any parallax error between them, enabling the foreground image elements to always occlude appropriate areas of the background image, regardless of the viewer's position or the background image brightness relative to the brightness of foreground image elements. | 07-15-2010 |
| 20100195211 | WIDE FIELD OF VIEW COLOR IMAGE PROJECTOR - An optical device for an image projector for providing a projected wide field of view image, includes a first dichroic mirror or splitter, arranged in an input path for receiving light of a plurality of wavelength bands, and adapted to output by reflection on a first path respective first portions of selected ones of the wavelength bands and by transmission on a second path respective second portions of the selected ones of the wavelength bands. Light modulating devices, arranged in respective ones of the first and second paths to receive the first and second portions, generate and output on respective first and second intersecting output paths modulated ones of the first and second portions. A second dichroic mirror or combiner, adapted to reflect one and transmit the other of the first and second portions, is arranged in an area of intersection of the first and second intersecting output paths, to output, by reflection and transmission, respectively, the modulated ones of the first and second portions on a common output path. | 08-05-2010 |
| 20100232029 | Reflective Camouflage and Methods - Methods and system for providing concealing camouflage of a position, hunter or observer using a shield or enclosure with a reflective exterior having exterior sides inclined towards the horizontal and observation portions of two-way mirror material. The shield or enclosures may be of any shape and may be of rigid sides permanently affixed to a frame, or be provided as collapsible or pop-up enclosures using temporary attachments and frames or poles. The enclosures may be entirely of two-way material. The reflective material may be mirror glass, any clear material treated on one surface with mirror coatings, or metalized cloth or film, including metalized polyester. A roof may be provided as non-reflective or reflective and may be flat or dome shaped. Two-way mirrored observation ports that open and close may be provided in any shape or position. The enclosure may conceal a boat, raft, or vehicle. | 09-16-2010 |
| 20100271707 | OPTICAL PULSE MULTIPLEX UNIT - A mirror unit consists of a half mirror and a mirror unit. The half mirror generates a transmitted light and a reflected light. A pair of the mirror units is arranged on one side and the other side of the half mirror so that the transmitted light and the reflected light split by the half mirror are deflected and are combined again at a common place on the half mirror. | 10-28-2010 |
| 20110026127 | WAVELENGTH MONITORED AND STABILIZED SOURCE - Methods and apparatus for sampling techniques can constantly monitor a spectral output from a broadband source in order to control a central wavelength of interrogation light supplied by the source for input to a sensor. A first portion of light output from the broadband source passes through a controller module for spectral analysis and referencing to provide measurements that can be used as feedback to actively modify a second portion of the light from the source. This modified second portion thereby controls the central wavelength to ensure accurate determination of sensor response signals received at a receiver. | 02-03-2011 |
| 20110038053 | GUIDED MATTER-WAVE SAGNAC INTERFEROMETER - The present invention provides an interferometer apparatus comprising a matter-wave guide enclosing an area, wherein a flux of particles may be guided in the matter-wave guide in at least two opposite paths, the matter-wave guide is rotatable relative to an inertial frame of reference; a first beam splitter to split the first beam to at least second and third beams, each of the second and third beams is to be guided in another path of the two opposite paths; and a second beam splitter allowing particles of the second and third beams to exit the matter-wave guide in a first probability and to stay in the matter-wave guide in a second probability. | 02-17-2011 |
| 20110063733 | FABRICATION OF THIN PELLICLE BEAM SPLITTERS - A method for fabricating a pellicle beam splitter includes etching an aperture in a support substrate; bonding a beam splitter substrate to an upper surface of the support substrate so that the beam splitter substrate covers the aperture; and depositing at least one optical coating on the beam splitter substrate. A pellicle beam splitter includes a support substrate, an aperture created in the support substrate using a semiconductor fabrication processes and a beam-splitting coating covering the aperture. | 03-17-2011 |
| 20110109972 | All optical and hybrid reflection switch at a semiconductor/glass interface due to laser beam intersection - The present invention includes a method of changing intensity of a reflected beam which may be expressed as a method of changing the amount of reflected light from a beam of light, the method comprising: (a) providing a substrate bearing a film of a reflective material; (b) directing a first beam of light at a reflecting point upon the reflective material so as to create a reflecting beam therefrom; (c) directing a second beam of light at the reflecting point upon the reflective material so as to alter the amount of light in the reflecting beam, and (d) detecting the change in the amount of light in the reflecting beam. The invention also includes an apparatus for changing the amount of reflected light from a beam of light and measuring that change, as well as related apparatus for a pulsed optical signal. | 05-12-2011 |
| 20110170199 | Optical Arrangement for Tracking Detector - A system and method of reducing turbulence sensitivity in a laser spot detector. Embodiments may include using beam splitters, reflectors, and beam deviators. The reflectors may be trihedral reflectors and the beam deviators may be segmented wedge plates having predetermined physical angles and angle directions in each wedge segment designed to produce opposing blurs for each segment of the aperture. A predetermined blur introduced into each line of sight eliminates the need for de-focus, thereby mitigating effects such as centroid shift caused by turbulence or dirty/damaged sensor apertures. | 07-14-2011 |
| 20110170200 | Systems and Methods for 3-Dimensional Interferometric Microscopy - In one embodiment, an apparatus comprises an optical system with multiple detectors and a processor. The optical system is configured to produce images of an optical source in a first dimension and a second dimension substantially orthogonal to the first dimension at each detector at a given time. Each image from the images is based on an interference of an emission from the optical source in a first direction and an emission from the optical source in a second direction different from the first direction. The processor is configured to calculate a position in a third dimension based on the images. The third dimension is substantially orthogonal to the first dimension and the second dimension. | 07-14-2011 |
| 20110216421 | Optical apparatus for magnifying a view of an object at a distance - Described are new magnifying apparatus based on two dimensional arrays of micro magnifying modules (MMMs) positioned along a plane perpendicular to the axis of the magnifying apparatus. In addition, the structure may include a two dimensional array of micro beam multipliers (MBMs) to improve the quality of the magnified image. The micro beam multipliers are positioned along a plane parallel to the array of micro magnifying modules. The structure also may include a two dimensional array of ray angle adjusters (RAAs) to extend the view angle. The ray angle adjusters are positioned along a plane parallel to the array of micro magnifying modules. The array of micro magnifying modules, with or without the micro beam multipliers and/or ray angle adjusters, may be constructed as a thin plate with a thickness of a few millimeters, through which the object is viewed. An object at a distance appears in the magnifying apparatus as a magnified image and the magnifying apparatus can be used for viewing an object at a distance in a way similar to the use of a conventional magnifier for viewing an object in a short distance. | 09-08-2011 |
| 20110255173 | Pulse Modifier with Adjustable Etendue - A beam modifying unit increases both temporal pulse length and Etendue of an illumination beam. The pulse modifying unit receives an input pulse of radiation and emits one or more corresponding output pulses of radiation. A beam splitter divides the incoming pulse into a first and a second pulse portion, and directs the first pulse portion along a second optical path and the second portion along a first optical path as a portion of an output beam. The second optical path includes a divergence optical element. A first and a second mirror, each with a radius of curvature, are disposed facing each other with a predetermined separation, and receive the second pulse portion to redirect the second portion, such that the optical path of the second portion through the pulse modifier is longer than that of the first portion, and the separation is less than radius of curvature. | 10-20-2011 |
| 20120002293 | BEAM COMBINING LIGHT SOURCE - The invention relates to sources of optical radiation wherein polarized radiation from first and second rows of light emitters is first collimated and combined into two combined beam using first and second rows of collimating and beam re-directing elements, respectively, and then polarization multiplexed to form a polarization-multiplexed output beam. In order to reduce the footprint, emitters of the first and second emitter rows are disposed in an interleaved, staggered arrangement, and the second row of collimating and beam re-directing elements is disposed in a space between the first emitter row and the first row of collimating and beam re-directing elements. | 01-05-2012 |
| 20120057241 | ANGULAR ADJUSTABLE VARIABLE BEAMSPLITTER - A beamsplitter includes a bifurcated frame, which rotates about a vertical axis, enabling the transmissive properties of an optical element, e.g. etalon, mounted on one arm of the frame, to be tuned as the angle of the optical element is rotated relative to an incoming optical beam. A mirror is mounted on the other arm of the frame intersecting light reflected from the optical element and redirecting the reflected light along a path, which is constant relative to the incoming optical beam. | 03-08-2012 |
| 20120113522 | OPTICAL ASSEMBLY, METHOD FOR ASSEMBLING AN OPTICAL ASSEMBLY, SYSTEM FOR SECURING OPTICAL ELEMENTS OF AN OPTICAL ASSEMBLY AND A SPRING FOR SECURING OPTICAL ELEMENTS OF AN OPTICAL ASSEMBLY - A monolithic frame for optics used in interferometers where the material of the monolithic frame may have a substantially different coefficient of thermal expansion from the beamsplitter and compensator without warping, bending or distorting the optics. This is accomplished through providing a securing apparatus holding the optics in place while isolating the expansion thereof from the expansion of the frame. Stability in optical alignment is therefore achieved without requiring a single material or materials of essentially identical coefficients of thermal expansion. The present invention provides stability in situations where it is not possible to utilize a single material for every component of the interferometer. | 05-10-2012 |
| 20120212830 | NONPOLARIZING BEAM SPLITTER - Nonpolarizing beam splitter has at least one substrate, to which a partially reflective coating having a plurality of layers is applied. The layer sequence of the coating includes at least one metal layer, at least two first refractive layers made of a high or medium refractive index dielectric material, and at least two second refractive layers made of a low or medium refractive index dielectric material. | 08-23-2012 |
| 20130003185 | OPTICAL STAR COUPLER - An optical device ( | 01-03-2013 |
| 20130057961 | DISPLAY, INSTRUMENT PANEL, OPTICAL SYSTEM AND OPTICAL INSTRUMENT - A multiple depth display provided for displaying images at different depths comprises a single display device ( | 03-07-2013 |
| 20130148207 | LASER PULSE STRETCHING UNIT AND METHOD FOR USING SAME - A laser pulse stretching unit is described herein which has one or more nested optical delay paths. In addition, a method for using the laser pulse stretching unit is also described herein. | 06-13-2013 |
| 20130250428 | MAGNIFYING IMAGING OPTICAL UNIT AND METROLOGY SYSTEM COMPRISING SUCH AN IMAGING OPTICAL UNIT - A magnifying imaging optical unit ( | 09-26-2013 |
| 20130271845 | STEREOSCOPIC BEAM SPLITTER - According to certain embodiments, a system includes beamsplitter sets, where each beamsplitter set comprises a first beamsplitter module and a second beamsplitter module aligned with the first beamsplitter module. The first beamsplitter module receives a first beam traveling along a first optical path. The first beamsplitter module splits the first beam into a first output beam transmitted along the first optical path and a first split beam transmitted to the second beamsplitter module along a reflected beam path. The second beamsplitter module receives the first split beam. The second beamsplitter module splits the first split beam into a second output beam transmitted substantially parallel to the reflected beam path and a second split beam transmitted substantially perpendicular to the reflected beam path. | 10-17-2013 |
| 20140133034 | OPTICAL IMAGING DEVICE - There is provided an optical imaging device for splitting an initial image into images with different optical characteristics, wherein the device comprises a plurality of beamsplitters and at least first and second reflectors arranged to create multiple images adjustably separable in two orthogonal directions, characterised in that the first reflector is rotatable about a first axis and the second reflector is rotatable about a second axis, the second axis orthogonal to the first axis. The beamsplitters are located in a first optical layer to create multiple optical pathways directed substantially orthogonally from the first optical layer to a second spaced apart optical layer. Each reflector can be moved translationally relative to its rotational axis. | 05-15-2014 |
| 20140139926 | REFRACTIVE OPTICS WITH BROAD SPECTRAL COVERAGE - A multi-band refractive optical imaging system. In one example, the system includes a plurality of lenses configured to receive and propagate electromagnetic radiation in at least the visible spectral band and the longwave infrared (LWIR) spectral band, the plurality of lenses including a first group of lenses of a first crown material, at least one lens of a first flint material, and at least one lens of a second material different than the first crown material and the first flint material. The plurality of lenses includes at least one crown-flint pair configured as an achromat to provide color correction in the visible and/or LWIR spectral bands. The system also includes a first beamsplitter configured to separate the electromagnetic radiation into the visible spectral band and the LWIR spectral band, and a rear external aperture stop positioned between the plurality of lenses and the first beamsplitter. | 05-22-2014 |
| 20140177062 | VIDEO WALL AND MULLION ELIMINATION LENS THEREOF - An exemplary video wall includes two display panels and a polygonal mullion elimination lens. Each of the display panels includes a main body and a bezel surrounding the main body. The polygonal mullion elimination lens includes a central first concave surface configured to reflect internal light incident thereon, two flat surfaces respectively attached to the main bodies of the display panels, a central second concave surface opposite to the first concave surface, and two lateral surfaces each connecting between a corresponding one of the flat surfaces and the second concave surface. Portions of light emitted by the main bodies of the display panels can enter the mullion elimination lens via the flat surfaces. | 06-26-2014 |
| 20140192418 | Optical Element and Optical Mechanism - An optical element includes a waveguide, a polarizing beam splitter film, and a deflector. The waveguide propagates light incident at a predetermined angle while reflecting the light between first and second planes. The polarizing beam splitter film is adhered to the first plane of the waveguide. The polarizing beam splitter film separates light incident from the waveguide into transmitted light and reflected light. The deflector is joined to the waveguide with the polarizing beam splitter film therebetween. The deflector has a plurality of first reflecting surfaces. The first reflecting surfaces reflect, in a direction substantially perpendicular to a surface of the polarizing beam splitter film, light transmitted by the polarizing beam splitter film. The polarizing beam splitter film reflects the majority of light incident at a predetermined angle from the waveguide and transmits a majority or all of the light incident in a substantially perpendicular direction from the deflector. | 07-10-2014 |
| 20140340757 | MIRROR ASSEMBLY - A mirror assembly includes a mirror pane and a head cap. The mirror pane generally faces a first direction. The head cap has a first region and a second region. The first region generally faces a second direction and the second region generally faces a third direction. The first region and the second region may both be formed from transparent materials. The first region is substantially covered by a first coating having a first reflectance and a first transmittance. The first reflectance is less than one hundred percent and the first transmittance is greater than zero, such that light passes through the first region and the second region and is visible from the interior of the vehicle. | 11-20-2014 |
| 20140340758 | System and Method for Expansion of Field of View in a Vision System - This invention provides a system and method for expanding the field of view of a vision system camera assembly such that the field of view is generally free of loss of normal resolution across the entire expanded field. A field of view expander includes outer mirrors that receive light from different portions of a scene. The outer mirrors direct light to tilted inner mirrors of a beam splitter that directs the light aligned with a camera axis to avoid image distortion. The inner mirrors each direct the light from each outer mirror into a strip on the sensor, and the system searches features. The adjacent fields of view include overlap regions sized and arranged to ensure a centralized feature appears fully in at least one strip. Alternatively, a moving mirror changes position between acquired image frames so that a full width of the scene is imaged in successive frames. | 11-20-2014 |
| 20140376098 | LUMINESCENT SOLAR CONCENTRATOR - A solar concentrator device comprising a solar concentrator element comprising a radiation transmissive surface, a radiation absorptive material and a radiation concentrating/collection point and disposed on the incident radiation side thereof a recapture element for recapturing at least a portion of radiation lost from the concentrator element has improved solar radiation collection efficiency by reintroducing recaptured radiation into the concentrator element or by propagating said recaptured radiation through the recapture element to a radiation concentration point associated with the recapture element. It has been found that planar elements having a grooved or corrugated outer surface make for very good recapture elements for planar concentrator elements. | 12-25-2014 |
| 20150098132 | SPLIT UNIT - A split unit capable of providing a stereoscopic image having less laterality is provided. The split unit includes: a beam splitter which transmits first imaging light as a part of light incident on an incident surface of the beam splitter, and reflects second imaging light as another part of the light incident on the incident surface; and a reflecting member which reflects the second imaging light reflected by the beam splitter. At least one of a reflectance of the reflecting member and a beam splitting characteristic of the beam splitter is set based on the following formulae: | 04-09-2015 |
| 20150124329 | MULTIPLE BEAM COMBINER FOR LASER PROCESSING APPARATUS - Apparatus and methods for combining beams of amplified radiation are disclosed. A beam combiner has a collimating optic positioned to receive a plurality of coherent radiation beams at a constant angle of incidence with respect to an optical axis of the collimating optic. The respective angles of incidence may also be different in some embodiments. The collimating optic has an optical property that collimates the beams. The optical property may be refractive or reflective, or a combination thereof. A collecting optic may also be provided to direct the plurality of beams to the collimating optic. The beam combiner may be used in a thermal processing apparatus to combine more than two beams of coherent amplified radiation, such as lasers, into a single beam. | 05-07-2015 |
| 20150131157 | LASER FREQUENCY ADJUSTMENT METHOD AND LASER FREQUENCY ADJUSTMENT SYSTEM - The present invention provides a laser frequency adjustment method and a laser frequency adjustment system. The laser frequency adjustment method includes: (1) providing a primitive laser pulse ( | 05-14-2015 |
| 20150146298 | LIGHT DIVIDER - A light divider includes a light guide having first and second surfaces that reflect light incident on the guide and cause the light to propagate through a portion between the first and second surfaces. A first light dividing layer on the second surface reflects part of the light having propagated through the guide and transmits part thereof so that the light is divided into light fluxes. A first transparent piece on the second surface in a position where the light that the first light dividing layer has transmitted is incident, the first transparent piece having a first reflection surface that reflects the incident light, a second transparent piece that is provided on the second surface in a position where the light reflected off the first light dividing layer and reflected off the first surface is incident, the second transparent piece has a second reflection surface that reflects the incident light. | 05-28-2015 |
| 20170235152 | SEE-THROUGH COMPUTER DISPLAY SYSTEMS | 08-17-2017 |
| 20180024373 | RETROREFLECTOR DISPLAY SYSTEM FOR GENERATING FLOATING IMAGE EFFECTS | 01-25-2018 |
| 20190146229 | CLOAKING DEVICES CONSTRUCTED FROM POLYHEDRONS AND VEHICLES COMPRISING THE SAME | 05-16-2019 |
| 20190146230 | IMAGING INCIDENT ANGLE TRACKER | 05-16-2019 |
