Abstract: An apparatus includes optical fiber ports into which optical fiber channels are input, the optical fiber channels carrying and outputting light, a mask configured to, while spinning at a frequency, allow a first portion of the light incident on the mask to pass through the mask, and block a remaining portion of the light incident on the mask, based on a pattern on the mask, and a photodetector configured to detect the allowed first portion of the light as input signals. The apparatus further includes a testing device configured to transform the input signals to a frequency domain, to obtain measured signals in frequencies respectively corresponding to the optical fiber channels, and determine whether each of the measured signals is a failure by comparing the obtained measured signals with a threshold signal.

Abstract: An apparatus and method for optically remapping projected pixels to maximize the utilization and to optimize the distribution of remapped projection pixels to achieve optimal visual performance (generally uniform resolution and luminance). A device interposed between a projector and an imaging surface for optically remapping projected pixel locations with minimal aberration. When this device is interposed between a projector and an imaging surface, it changes the terminal location of each focused pixel such that it maximally coincides with the imaging surface, which is often a surface of complex curvature and very different from the native focal surface of the projector. One implementation of the technology includes a device that uses multiple optical surfaces.

Abstract: A light-emitting module includes a substrate, a surface light-emitting element, and an optical waveguide. The surface light-emitting element includes light sources and is attached to the substrate. The optical waveguide is attached to the surface light-emitting element in a state in which the optical waveguide covers the light sources. The optical waveguide extends in an axial direction with a refractive index distribution in a radial direction. The optical waveguide condenses light beams emitted from the surface light-emitting element.

Abstract: An image forming apparatus includes an image bearing member, a charging member to charge a surface of the image bearing member, an exposure unit, a developing member to form a toner image, a transfer member, an irradiation unit, and a blocking member. The irradiation unit includes a light source provided at one end of the irradiation unit in a rotation axial direction of the image bearing member and a guide that guides a light source emitted light in the rotation axial direction. The irradiation unit irradiates the surface of the image bearing member with the light after the transfer member transfers the toner image to a transfer-receiving member. The blocking member blocks the light irradiated from the irradiation unit in the rotation axial direction. The blocking member is configured so that a quantity of blocking the light irradiated from the irradiation unit is different in the rotation axial direction.

Abstract: To provide a method of manufacturing a light-emitting module capable of accurately arranging a plurality of light-emitting elements at narrow intervals, and a light-emitting module manufactured by the method of manufacturing, and, moreover, a device on which the light-emitting module is mounted.

Abstract: Apparatuses and methods are provided that are directed to detecting electric, magnetic, or electromagnetic fields by employing atoms excited to Rydberg states coupled to radio-frequency circuits that include waveguides.

Abstract: The present disclosure is directed to an electronic device including a sensor having a transmission module configured to provide a plurality of collimated light beams. The transmission module includes a light source and a transmission beam splitter. The transmission beam splitter includes a plurality of lenslets. The transmission beam splitter is configured to receive one or more light beams from the light source and refract the one or more light beams for forming the plurality of collimated light beams.

Abstract: There is provided imaging devices and methods of forming the same, the imaging devices, including: a photodetector layer; and a light-blocking member stacked above the photodetector layer, where the light-blocking member includes at least one light-transmitting portion and at least one lens portion.

Abstract: A lithography system for generating grating structures is provided having a multiple column imaging system located on a bridge capable of moving in a cross-scan direction, a mask having a grating pattern with a fixed spatial frequency located in an object plane of the imaging system, a multiple line alignment mark aligned to the grating pattern and having a fixed spatial frequency, a platen configured to hold and scan a substrate, a scanning system configured to move the platen over a distance greater than a desired length of the grating pattern on the substrate, a longitudinal encoder scale attached to the platen and oriented in a scan direction and at least two encoder scales attached to the platen and arrayed in the cross-scan direction wherein the scales contain periodically spaced alignment marks having a fixed spatial frequency.

Abstract: A camera includes a housing, a light source positioned within the housing, and a light-refracting apparatus. The light-refracting apparatus comprises a collimator shaped to collimate light emitted by the light source, and a lens comprising an at least partially concave light-emitting surface positioned to receive light collimated by the collimator and shaped to disperse the collimated light. The light-refracting apparatus is arranged to cause the dispersed light to be transmitted from within the housing into a field of view region of the camera.

Abstract: An apparatus and method for optically remapping projected pixels to maximize the utilization and to optimize the distribution of remapped projection pixels to achieve optimal visual performance (generally uniform resolution and luminance). A device interposed between a projector and an imaging surface for optically remapping projected pixel locations with minimal aberration. When this device is interposed between a projector and an imaging surface, it changes the terminal location of each focused pixel such that it maximally coincides with the imaging surface, which is often a surface of complex curvature and very different from the native focal surface of the projector. One implementation of the technology includes a device that uses multiple optical surfaces.

Abstract: A measuring device a measurement unit configured to measure an image on a sheet, the measurement unit including a light emitting portion configured to illuminate the sheet with light, and a detecting portion configured to detect light reflected by the sheet; a supporting unit supporting the measurement unit; and a driving unit configured to move the measurement unit supported by the supporting unit in a scanning direction. A size, in the scanning direction, of a detectable range of the detecting portion in which the detecting portion is capable of detecting the reflected light from the sheet is larger than a size, in a sub-scanning direction perpendicular to the scanning direction and a normal direction of a surface of the sheet, of the detectable range of the detecting portion.

Abstract: An optical device includes a light emitting surface, a lens mirror array having an incident surface that transmits light from the light emitting surface and converges the light, an emission surface that emits the light incident through the incident surface, and a plurality of reflecting surfaces that reflect the light incident through the incident surface toward the emission surface, and an image plane where an image of the light emitted through the emission surface is formed. The light emitting surface and the image plane are disposed nonparallel to each other so that an imaginary first plane parallel to the light emitting surface and an imaginary second plane parallel to the image plane intersect at a side of the plurality of reflecting surfaces.

Abstract: The invention relates to an optoelectronic component comprising at least one optoelectronic semiconductor chip which is designed to generate or detect electromagnetic radiation, a carrier on which the semiconductor chip is arranged, a first encapsulation body into which the optoelectronic semiconductor chip is embedded, and a second encapsulation body, wherein the first encapsulation body has a first thickness above the semiconductor chip and has a second thickness laterally spaced from the semiconductor chip, the first thickness is less than the second thickness, a third thickness of the first encapsulation body between the first thickness and the second thickness is minimal, and the second encapsulation body is arranged on the first encapsulation body.

Abstract: The invention relates to a lighting device with a multiple light function, which comprises a primary light source and secondary light source (2a, 2b) associated with optical elements which are adapted to guide light to the output of the device. The primary light source (2a) is associated with collimating elements (4) and the secondary light source (2b) is associated with light guiding elements (3), whereby the collimating elements (4) and the light guiding elements (3) are arranged in a common light guiding body (A), the output of the light beams is situated behind the level (6) of the exit ends of the collimating elements (4) and on the output side of light guiding body (A) a light scattering filter (7) is arranged.

Abstract: In various embodiments, an arrangement is provided. The arrangement may include a plurality of chips; a chip carrier carrying the plurality of chips, the chip carrier including a chip carrier notch; and encapsulation material encapsulating the chip carrier and filling the chip carrier notch; wherein the outer circumference of the encapsulation material is free from a recess.

Abstract: A coated metal fluoride optic is provided. The coated metal fluoride optic includes an alkaline earth metal fluoride substrate and a coating disposed on at least one surface of the substrate. The coating includes an adhesion layer comprising a fluoride-containing material, a non-densified intermediate layer deposited on the adhesion layer, and a densified capping layer deposited on the intermediate layer.

Abstract: An image processing apparatus includes: a conveyance unit configured to convey a medium; a sensor configured to sense a medium being conveyed; and a controller configured to control the conveyance unit and acquire a result of the sensing performed by the sensor. The sensor includes a light emitter, a light receiver configured to perform output in accordance with the amount of the received light, and a shielding unit including a transmissive part through which the sensing light transmits. The transmissive part has a shape in which an opening width in a direction orthogonal to a conveyance direction of the medium changes in the conveyance direction. The controller determines skewing of the medium being conveyed based on change in the amount of light received by the light receiver as the medium passes along the transmissive part and temporal change in accordance with the conveyance of the medium.

Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.

Abstract: As a result of the size of the detector elements thereof, optoelectronic detectors such as photoelectron multipliers comprising a light-entry region sealed by a protective disc can only be used with much outlay for recording an image of a diffraction-limited focus volume in a two-dimensional spatially resolved manner, even if the image is significantly magnified in relation to the focus volume. The novel detector is intended to enable the spatially resolved detection of point spread functions with little outlay and high accuracy. 2.2 For this purpose, a body made of glass or glass ceramics comprising an opening, in which one end of an optical fiber is arranged, is cemented to the cover disc in such a way that the end of the optical fiber faces the cover disc and the optical axis thereof intersects the light-entry region. Thus, the relative position of optical fiber and entry region can be provided permanently with high accuracy.

Abstract: A laser-induced dispensing system for material processing is disclosed. The laser-induced dispensing system includes a fiber bundle having optical fibers. The optical fibers have first ends arranged at the first interface and second ends arranged at the second interface. Additionally, optics that direct laser beams transmitted from the second interface by the optical fibers toward a material to be deposited a substrate is provided. The optics is configured to focus the laser beams on the material to be deposited, thereby causing the material to be deposited to be released onto the substrate. Each of the optical fibers having a first end that is adjacent to a first end of another of the optical fibers at the first interface have a second end that is non-adjacent to a second end of the another of the optical fibers at the second interface.

Abstract: Field balancing may be performed with an irradiation system including a plurality of adjustable radiant-energy emitters. The irradiation system powers the radiant-energy emitters from a power source and radiant energy is emitted from the radiant-energy emitters, where an amount of radiant energy emitted from each emitter is capable of being varied based on power received from the power source. A plurality of radiant-energy sensors detects an amount of radiant energy which includes radiant energy created directly by at least one of the radiant-energy emitters. The amount of radiant energy detected at at least two of the radiant-energy sensors is compared, and at least one of the radiant-energy emitters is adjusted by varying the power received from the power source so that the amount of radiant energy detected at each of the radiant-energy sensors tends towards becoming approximately equal.

Abstract: A device for combined-zoom interferometric imaging includes a number of first blades and second blades. Each of the first blades includes multiple first optical elements arranged in a first linear configuration for high-resolution interferometric imaging. Each of the second blades includes multiple second optical elements arranged in a second linear configuration for low-resolution interferometric imaging. Pairs of the first optical elements with different baseline lengths are coupled through a first array of optical waveguides to an optical processor. Pairs of the second optical elements with different baseline lengths are coupled through a second array of optical waveguides to the optical processor.

Abstract: A discharging method used in an image forming apparatus includes discharging, with an exposure device, an exposure range of the latent image bearer, and discharging, with a discharger, an area of the latent image bearer outside the exposure range and inside a developing range in a main scanning direction. The exposure range is inside the developing range in the main scanning direction. The discharging with the exposure device and the discharging with the discharger are performed when a rotation of the latent image bearer is stopped after a toner image is transferred from the latent image bearer.

Abstract: A light irradiation device that emits a light patch of uniform intensity. The device may be a dental light wand. The device has a light source, a lenslet array and an optional relay lens. The light source may be a laser or a collimated LED. Each lenslet of the lenslet array has two convex surfaces, a front convex surface, and a rear convex surface that is opposite to the front convex surface. The front convex surface has a focal point on the principal plane of the rear convex surface. The focal length of the front convex surface differs from the focal length of the rear convex surface. Light beams emitted by the light source pass through the lenslet array, and if a relay lens is present then pass through the relay lens, forming a light patch of uniform intensity.

Abstract: A lighting apparatus includes a first illumination portion and a second illumination portion. The first illumination portion and the second illumination portion respectively include a bar-like light guide whose shape of an end face of an end portion includes a part of a circle, an ellipse or a parabola, and light source elements that are provided to face the end face of the end portion of the light guide. In the light guide of the second illumination portion, light enters a determined range in which a focus of the shape of the end face of the end portion of the light guide is included. In the light guide of the first illumination portion, light enters a range that is not the determined range in which the focus of the shape of the end face of the light guide is included.

Abstract: An image reading apparatus includes a light-guide member that moves in a direction crossing a longitudinal direction of the light-guide member and that emits light, which has entered from an incident surface of the light-guide member, as light that is linearly distributed in the longitudinal direction, a light source that emits the light, and an optical fiber that guides the light emitted by the light source to the incident surface.

Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.

Abstract: The present application discloses an optical sensing module, an optical mechanism of a spectrometer, and a spectrometer. An optical sensing module according to one embodiment comprises an optical sensing component and an optical fiber. The optical sensing component includes at least a row of optical sensing units. The optical fiber is made of a transparent material and has a cylindrical curved surface. A side of the cylindrical curved surface faces the optical sensing units to converge at least a portion of an incident light received by the optical sensing units. With techniques of the present application, the amount of light collected at the optical sensing component can be increased for it to be suitable for applications such as miniaturized apparatuses and systems, thus improving the overall efficiency of optical reception and utilization therein.

Abstract: An optical apparatus includes: a light source including multiple light-emitting points arrayed in a first direction; and an imaging optical system including multiple lens optical systems arrayed in the first direction. The imaging optical system forms images of the multiple light-emitting points on a light-receiving surface. In a first cross-section and in a second cross-section, half-value of a maximum value of angle of divergence of an imaging optical flux input to the light-receiving surface, resolution, and a size of each image of the plurality of light-emitting points formed on the light-receiving surface, satisfy predetermined conditions.

Abstract: The present invention provides a composite optical element including a resin layer that is less susceptible to yellowing and has small cure shrinkage during formation. The present invention is a composite optical element including a resin layer obtained by polymerizing a resin composition containing a (meth)acrylate compound of a saturated aliphatic epoxy compound, a multifunctional isocyanurate compound, and a photopolymerization initiator.

Abstract: Various aspects as described herein are directed to apparatuses, methods, and systems including a sandwiched arrangement having a light-access port, a scanning mirror, an optics region, and a spacer. The spacer provides a light-directing optical region that separates the scanning mirror and the optics region, and includes a mirrored surface that reflects light between the light-access port and the optics region. Additionally, the optics region includes a curved-shaped window that provides a field of view by communicating beams of light between a target region. The optics region also includes a curved-shaped mirror having a surface that reflects light between the scanning mirror and the mirrored surface. Light beams, as conveyed between the light-access port and the curved-shaped window, are folded by being reflected off the scanning mirror, the curved-shaped mirror and the mirrored surface.

Abstract: A near-field lens is provided. The lens includes a lens body positioned about an optical axis. The lens body includes an input surface for receiving light from a light source and defined by a focusing surface and a convex hyperbolic surface. The lens body also includes an output surface through which light exits the lens body and a lateral surface extending between the convex hyperbolic surface and the output surface. The focusing surface is configured to collimate light along the optical axis towards the output surface and the convex hyperbolic surface is configured to substantially collimate light towards the lateral surface to be internally reflected towards the output surface.

Abstract: An optical scanning device has a rotary multiple-face mirror, a lens, a housing, and a cover member. The housing has a housing space in which the rotary multiple-face mirror and the lens are housed. The cover member covers the housing space in the housing. The housing has a light emission opening through which a light beam is emitted, and outside the light emission opening in the housing, a light transmitting member which transmits the light beam is provided to close the light emission opening. The cover member has a body part which covers the housing space and a fastening part which fastens the light transmitting member by pressing it toward the light emission opening.

Abstract: An optical coupling system includes a first unit including a source of light or a first multi-core optical fiber, each of the source and the first multi-core optical fiber including at least a first aperture, a second unit including a second multi-core optical fiber including at least a second aperture corresponding to the first aperture of the first unit, and a lens array unit redirecting light between the first unit and the second unit, the lens array unit substantially matching light rays transmitted or received between the first aperture of the first unit and the corresponding second aperture of the second unit.

Abstract: An image forming apparatus, including a mechanism configured to switch an intermediate transfer member between a first state in which the intermediate transfer member is in contact with a first photosensitive drum for a color toner image and a second photosensitive drum for a black toner image in a full-color mode and a second state in which the intermediate transfer member is separated from the first photosensitive drum and in contact with the second photosensitive drum in a monochrome mode; and a control portion configured to control the mechanism according to a set color mode in response to a user operation from which a start of the image formation is predicted, without an instruction of image formation and thereafter control the mechanism according to a changed color mode if the set color mode is changed by a setting of the color mode before receiving the instruction of the image formation.

Abstract: A device for guiding electromagnetic radiation into a projection exposure apparatus for semiconductor lithography includes an optical fiber and an actuator for the mechanical manipulation of a section of the fiber as a result of which a temporally averaged homogenization of an intensity profile of electromagnetic radiation emerging at an exit end of the fiber can be achieved. A projection exposure apparatus for semiconductor lithography is equipped with the abovementioned device.

Abstract: A solid-state light source includes a semiconductor light source for emitting light and an optical system having a fiber optic element. The fiber optic element has an input for receiving emitted light from the semiconductor light source. The fiber optic element also has an output for emitting light received from the solid-state light source. The semiconductor light source and the fiber optic element in aggregate form an illumination path.

Abstract: A disclosed flange member includes a press-fitted portion to be press-fitted in an axial end-opening portion of a hollow and cylindrical sleeve member; an axle opening portion including an axle opening into which a shaft member is inserted when the press-fitted portion is press-fitted in the end-opening portion; and a linking portion extending in a direction parallel to a circular cross section of the sleeve member and connecting the axle opening portion to the press-fitted portion. The linking portion includes a stress-absorbing portion that is deformed so as to absorb stress to which an outer peripheral surface of the press-fitted portion is subjected upon contact with an inner peripheral surface of the sleeve member when the press-fitted portion is press-fitted in the end-opening portion, thus preventing the stress from being transmitted to the axle opening portion via the linking portion.

Abstract: A telepresence device allows a remote meeting participant to establish a telepresence at a remote meeting location. The telepresence device provides a video image of the remote meeting participant on a video display screen at a meeting location To enhance the visual sensation that the remote person is present at the meeting location, the telepresence device may display the silhouette image of the remote meeting participant without the image of the background scene of the remote participant's location (e.g., office, home or home office). Further, the telepresence device may be equipped with a rear-facing camera that captures a video image of the background scene behind the telepresence device at the meeting location. The silhouette image of the remote meeting participant may be superimposed on the video image of the background scene at the meeting location, which is captured by the rear-facing camera.

Abstract: Provided are: a light source that emits light; a light guide including: a curved portion including a light incident surface from which the light from the light source enters; and a linear portion including a light emission surface from which the light is emitted to an original, the linear portion coupled to the curved portion and extended in a main-scan direction, the curved portion reflecting the light entered from the light incident surface to the linear portion; and a frame that houses the light source, and the light guide, wherein the light guide includes an inclined portion inclined in a direction that increases an incident angle ? of the light, the inclined portion formed in a range of the linear portion where the light reflected by the curved portion enters.

Abstract: An illuminator includes a light guide having a circular cross-section, a scatterer that is provided on a portion of the circumference of the circular cross-section and that radiates scattering light toward the inside of the light guide, and a condensing lens that condenses light emitted from the light guide and transforms the light into a linear beam, a planar beam, or a point-like beam. In the illuminator light from the light source is effectively utilized, and the light can efficiently illuminate the required illumination area. In addition, an image reader apparatus can perform high-speed reading using such an illuminator.

Abstract: A fiber optic imaging apparatus includes a light source (12); at least one optical fiber (47) for transmitting light from the light source; a mechanical assembly for supporting at least one optical fiber; a detector (41) which measures light transmitted by at least one optical fiber; and a controller for adjusting light intensity emitted from the light source according to a level of light detected by the light detector.

Abstract: An actuator for selectively moving a part relative to another part includes a shape memory wire, which contracts upon heating, and a magnetic field. One end of the shape memory wire is fixed to a first body. The other end of the shape memory wire is coupled to a second body, which is movable relative to the first body. When heated, the shape memory wire contracts and moves the second body in a direction of travel from a first position relative to the first body toward a second position. A magnetic field generates a magnetic force on the second body, which acts on and moves the second body in the direction of travel to the second position after the shape memory wire initially contracts to thereby reduce the load on the shape memory wire when the second body is moved to the second position. The actuator may be used, for example, to move the valve stem in a valve.

Abstract: The invention is directed to hermetically sealed optical lithography components or elements that are hermetically sealed by a durable coat of a hermetically sealing material selected from the group consisting of oxide and fluorinated oxide films. The durable coating of the hermetically sealing material is applied to one of more faces of the optical element, either directly to the face of the element or over a selected coating (for example, an anti-reflective coating) that has been applied to the element. The invention is further directed to a method of making hermetically sealed optical elements.

Abstract: A system and method for generating a master screen for a silk screen imaging process. Photo activated emulsion is applied to a printing screen and the emulsion is exposed according to a digitized pattern using a light emitting diode (LED) source. The LED source in one embodiment is an array of UV emitting devices which scans the printing screen in a line by line basis.

Abstract: A full width array spectrophotometer for full width scanning color analysis of color test targets, with one or two substantially linear elongated arrays of closely spaced multiple LED illumination sources of plural different color emissions in a multiply repeated pattern of at least three or four different colors transversely spanning a printer paper path and sequentially illuminated to illuminate a transverse band across a printed sheet moving in the paper path, and a corresponding elongated low cost light imaging bar with a parallel and correspondingly elongated array of multiple closely spaced different color sensitive (three or four rows of color-filtered) photodetectors, which imaging bar is positioned to detect and analyze light reflected from the transverse sequentially illuminated band.

Abstract: A plate is consecutively mounted on the outer peripheral surface of a recording drum under pressure from a squeegee roller, with its leading edge clamped by leading edge clamps. Guide members for causing the squeegee roller to climb up thereon are provided on the outer peripheral surface of the recording drum such that the squeegee roller is prevented from interfering with the leading edge clamps during plate mounting. Without the need to stop the rotation of the recording drum during plate mounting, a time period required for plate mounting can be reduced.

Abstract: A miniaturized lens array for unity magnification imaging comprises a plurality of rod lenses arranged in one row. An arrangement pitch D of the rod lenses is defined to satisfy (2 m+1)·D≦2.1 mm or 2.5 mm. An angle of aperture &thgr; of the rod lens is defined to satisfy &agr;D/6×{n·cos−1(−&agr;/2/m)+(4 m2/&agr;2−1)1/2}≦&thgr;≦&agr;D/2×(4/m2/&agr;2−1)1/2. The arrangement pitch D and angle of aperture &thgr; are defined in this manner, and it is therefore possible to obtain the lens array whose difference between a total width and effective lens width is equal to or smaller than 2.1 mm or 2.5 mm.

Abstract: Color mixing optics for a multi-color LED lamp comprise an outer reflector having a paraboloidal surface of revolution and a total inner reflection (TIR) lens having an outer contour with a paraboloidal surface of revolution. The outer reflector and the TIR lens are centered around a common center axis. A common focal point of the outer reflector and the TIR lens is provided for placing a LED assembly. Such LED lamps produce uniform color throughout the entire light beam while the outer dimensions are such that the optics fit into conventional lamp housings.