Abstract: An optical element may include a plurality of subsurface induced scattering centers formed in the optical element, where the plurality of subsurface induced scattering centers scatter light passing through the optical element. In some implementations, the plurality of subsurface induced scattering centers may form a scattering region in the optical element. Additionally, or alternatively, the plurality of subsurface induced scattering centers may spatially vary transmission of light through the optical element. The optical element may be an optical waveguide, a bulk optic, and/or the like.

Abstract: A laminated pane, includes an outer pane, an inner pane, and at least two intermediate layers, wherein at least two separate functional elements with electrically controllable optical properties are arranged in a plane between the two intermediate layers, wherein on two opposite sides of each functional element, an inner bus bar is connected in each case to the respective functional element and at least one of the two opposite sides of each functional element is sealed by two PET barrier films, which are partly arranged between an intermediate layer and the functional element, wherein attached on one of the PET barrier films is at least one outer bus bar that is connected via an electrically conducting connection to the inner bus bar of a functional element, in order to electrically control the functional element separately from the other functional element or elements.

Abstract: A fiber optic ferrule has a main body with a top surface and a bottom surface and extends between a front end and a back end. The front face includes a recessed portion with a plurality of optical lenses. The front face is configured to allow for the plurality of lenses to be on an angle relative to the front face and the fiber optic ferrule will have not any undercuts and allow the fiber optic ferrule to be ejected from a mold without engaging any portions of the mold.

Abstract: Provided is a system for and a method of processing an optical fiber, such as tapering an optical fiber. The method includes receiving fiber parameters defining characteristics of an optical fiber, modeling an idealized fiber based on the fiber parameters to establish modeled data, and establishing processing parameters. A processing operation is performed on the optical fiber according to the processing parameters to produce a resultant fiber. Aspects of the resultant fiber are measured to establish measured data. The measured data and the modeled data are normalized to a common axis and a difference between the two is determined. The processing parameters are adjusted based on the differences.

Abstract: Embodiments of the disclosure provide an optical antenna for a photonic integrated circuit (PIC). The optical antenna includes a vertically oriented semiconductor waveguide with a first end on a semiconductor layer. The vertically oriented semiconductor waveguide includes a first sidewall and a second sidewall opposite the first sidewall. A reflective material is along the second sidewall of the vertically oriented semiconductor waveguide. A first plurality of grating protrusions extends from the first sidewall of the vertically oriented semiconductor waveguide.

Abstract: A display system comprises a waveguide having light incoupling or light outcoupling optical elements formed of a metasurface. The metasurface is a multilevel (e.g., bi-level) structure having a first level defined by spaced apart protrusions formed of a first optically transmissive material and a second optically transmissive material between the protrusions. The metasurface also includes a second level formed by the second optically transmissive material. The protrusions on the first level may be patterned by nanoimprinting the first optically transmissive material, and the second optically transmissive material may be deposited over and between the patterned protrusions. The widths of the protrusions and the spacing between the protrusions may be selected to diffract light, and a pitch of the protrusions may be 10-600 nm.

Abstract: A method for manufacturing a decorative article (2) including the following steps of: making a blank by injection moulding a material comprising a metallic material, machining and/or polishing the blank to form a product, and forming the product to print a raised or recessed relief pattern (3) on part of the surface of the product, the product with the pattern (3) forming the decorative article. Also, a decorative article, notably an external timepiece part made of a sintered material having on part of its surface a raised or recessed relief pattern (3) made by a forming process. Preferably, the sintered material is a grade 5 titanium alloy (Ti6V4Al) or a stainless steel.

Abstract: The present disclosure provides a rollable optical fiber ribbon. The rollable optical fiber ribbon includes a plurality of optical fibers positioned along a longitudinal axis of the rollable optical fiber ribbon. In addition, the rollable optical fiber ribbon includes a matrix material covering the plurality of optical fibers. Each of the plurality of optical fibers is placed adjacent to other optical fiber of the plurality of optical fibers. Each of the plurality of optical fibers with a diameter of about 210±5 micron is spaced at a pitch in a range of about 250 microns to 255 microns. The rollable optical fiber ribbon is corrugated from a first side and a second side to enable rolling of the rollable optical fiber ribbon in circular fashion.

Abstract: Silicone-containing light fixture optics. A method for manufacturing an optical component may include mixing two precursors of silicone, opening a first gate of an optic forming device, moving the silicone mixture from the extrusion machine into the optic forming device, cooling the silicone mixture as it enters the optic forming device, filling a mold within the optic forming device with the silicone mixture, closing the first gate, and heating the silicone mixture in the mold to at least partially cure the silicone. Alternatively, a method for manufacturing an optical component may include depositing a layer of heat cured silicone optical material to an optical structure, arranging one or more at least partially cured silicone optics on the layer of heat cured silicone optical material, and heating the heat cured silicone optical material to permanently adhere the one or more at least partially cured silicone optics to the optical structure.

Abstract: The present disclosure provides a display module and a method for preparing the same. The display module includes a display panel and a light-concentrating layer arranged on a light-exiting surface of the display panel, in which the light-concentrating layer includes a plurality of light-concentrating units for concentrating light from the light-exiting surface.

Abstract: Methods to manufacture volume transmission diffraction grating (quasi-Bragg gratings) and volume transmission diffraction gratings made by those methods.

Abstract: An optical fiber production method includes: drawing an optical fiber from an optical fiber preform; and cooling the optical fiber. When in the cooling process, the optical fiber is passed through a plurality of annealing furnaces and Equation (1) is held. A time constant of relaxation of a structure of glass forming a core in the optical fiber is ?(Tn). A temperature of the optical fiber at a point in time when the optical fiber is delivered into an nth annealing furnace from an upstream side is Tn. A fictive temperature of glass forming the core at the point in time when the optical fiber is delivered is Tfn. A fictive temperature of glass forming the core after a lapse of time ?t from the point in time when the optical fiber is delivered is Tf. 20° C.<Tf?Tn=(Tfn?Tn)exp(??t/?(Tn))<100° C.

Abstract: A method for manufacturing of a lens for distribution of light from a light emitter. The method provides an injection-molding cavity defined by a shape-forming configuration with a texturing in at least one area of the cavity. A thermoplastic elastomer is injected into the cavity shaping a lens-region thickness of the elastomer. Such lens-region thickness is cooled and set prior to sinking of the elastomer such that the lens-region thickness retains the texturing of the shape-forming configuration forming a textured surface portion of the lens.

Abstract: A flash system for an electronic device includes a ring-shaped light guide having a central opening. A camera lens is positioned in or behind the opening. A first light emitting diode (“LED”) is mounted on a printed circuit board (“PCB”), and the LED and PCB are encapsulated by a molded light guide of the flash system. An identical LED and PCB are encapsulated at an opposite end of the molded light guide (i.e., 180 degrees away). The back surfaces of each PCB diffusively reflects light from the LED on the other PCB. Light extraction features on the light guide surface uniformly leak out light from the LEDs. The light emission profile of the light guide has a peak axially aligned with the central opening of the light guide and rolls off to the edge of the camera's field of view.

Abstract: An antenna has a visible light transparent substrate, and a pattern including metal fine wires provided on the visible light transparent substrate and having a plurality of opening portions. In the pattern, a line width of the metal fine wire is 0.5 to 5.0 ?m, an opening ratio is 70% or greater, and surface electrical resistance is 9 ?/sq. or less. A method of manufacturing an antenna has a step of forming a pattern in which a line width of metal fine wires is 0.5 to 5.0 ?m, and an opening ratio is 70% or greater by an electroless copper plating treatment. A touch sensor has a touch sensor unit which is provided in a visible light transparent substrate and which includes at least a detection electrode in which a plurality of opening portions are formed of conductive fine wires, and at least one antenna provided on the substrate.

Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source disposed adjacent to one side surface of the light guide plate that generates a first light, a first refractive layer disposed between the light source and the one side surface of the light guide plate that has a refractive index greater than a refractive index of the light guide plate, and a second refractive layer disposed between the display panel and the light guide plate that has a refractive index less than the refractive index of the light guide plate. The first refractive layer includes a convex portion that protrudes into the one side surface of the light guide plate.

Abstract: A light cylinder, a dispenser, and a method of manufacturing a light cylinder are disclosed. The light cylinder includes an outer layer and an inside layer, where the inside layer is formed by filling optical resin into the inside space of the outer layer, and the refractive index of the optical resin is determined in consideration of the refractive index of the outer layer.

Abstract: The present invention addresses the problem of providing an optical use polycarbonate resin composition which exhibits good fluidity, has a high refractive index, is inexpensive and exhibits impact resistance. This problem can be solved by an optical use polycarbonate resin composition that contains a polycarbonate resin (A) which contains a constituent unit represented by formula (1) and has an intrinsic viscosity of 0.320-0.630 dL/g, and polycarbonate resin (B) which contains a constituent unit represented by formula (2) and has an intrinsic viscosity of 0.320-0.600 dL/g, wherein the polycarbonate resin that contains a constituent unit represented by formula (2) is contained at a proportion of 45-75 mass %.

Abstract: A method of shaping an optical fiber includes displaying a user interface on a display screen. The user interface includes a timeline, a plurality of optical fiber manipulation parameter blocks within the timeline, and a script block including a plurality of script elements. The method further includes receiving data indicative of a user input selection of a script element for an optical fiber manipulation parameter block and a user input entry of one or more properties of the script element; determining, in response to the user input selection and user input entry, one or more actions to be performed by an optical fiber processing machine to shape the optical fiber; and providing, by the one or more computing devices, one or more control signals to the optical fiber processing machine to cause the optical fiber processing machine to perform the one or more actions.

Abstract: An actively-powered medical system for monitoring a body temperature of a patient includes a temperature data logger patch with wireless data communication includes a sealed, flexible battery comprising a printed electrochemical cell with an anode and a cathode, and a flexible circuit including a microprocessor, a temperature sensor configured to sense a temperature of a target subject, a wireless communication transceiver and an antenna. In one example, the patch is configured to conform to a curved surface of the target subject. In another example, the patch is used in an actively-powered medical system for monitoring a body temperature of a patient, and includes an adhesive configured to be removably applied to skin of the patient. An external computing device is capable of communication with the wireless communication transceiver of the patch via an electromagnetic field.

Abstract: A light-guiding element (1) for a lighting unit, comprising a light-guiding body (5) having at least one light entry face (2) and at least one light exit face (3), wherein the at least one light entry face (2) comprises a plurality of entry sub-faces (2a) offset from one another at least in the light propagation direction (?x), wherein the entry sub-faces (2a) are oriented substantially normal to the light propagation direction (?x).

Abstract: An endovascular laser treatment device for causing closure of a blood vessel uses an optical fiber adapted to be inserted into a blood vessel. An inner sleeve is arranged around a distal portion of the optical fiber core such that both distal ends of the inner sleeve and the optical fiber core form an enlarged light emitting face. The enlarged emitting face provides substantially lower power density while providing the same amount of total energy during a treatment session. An outer sleeve arranged around the inner sleeve acts as a spacer to position the light emitting face away from an inner wall of the blood vessel. The enlarged light emitting face and the outer sleeve acting as a spacer reduces the possibility of thermal run-away and device damage, and reduce the possibility of vessel perforations, leading to less bruising, post-operative pain and other clinical complications.

Abstract: Aspects of the present application provide an optical device comprising a suspended optical component over a cavity, such as an undercut region in a substrate. The cavity is filled with a filler material. In some embodiments, the optical device and a method may be provided to fill the cavity with the filler material using a reservoir and a channel in the substrate connecting the reservoir to the cavity to be filled.

Abstract: The invention concerns a Photonic Crystal Fiber (PCF) a method of its production and a supercontinuum light source comprising such PCF. The PCF has a longitudinal axis and comprises a core extending along the length of said longitudinal axis and a cladding region surrounding the core. At least the cladding region comprises a plurality of microstructures in the form of inclusions extending along the longitudinal axis of the PCF in at least a microstructured length section. In at least a degradation resistant length section of the microstructured length section the PCF comprises hydrogen and/or deuterium. In at least the degradation resistant length section the PCF further comprises a main coating surrounding the cladding region, which main coating is hermetic for the hydrogen and/or deuterium at a temperature below Th, wherein Th is at least about 50° C., preferably 50° C.<Th<250° C.

Abstract: A surface-modified separation membrane of the present invention comprises a separation membrane, and a coating layer formed on the surface of the separation membrane for improving the contamination resistance and chemical resistance of the separation membrane, wherein the coating layer is implemented with a nanoscale thickness of the coating layer in order to inhibit a decrease in permeation flux of the separation membrane before and after coating the coating layer, and comprises: dopamine for providing, to the coating layer, an adsorption force to be bound stably with the separation membrane; and a hydrophilic material which is bound to the dopamine through secondary bonding or cross-linking containing a hydrogen bond in order to inhibit the deterioration of the durability of the coating layer, and provides hydrophilicity to the surface of the separation membrane in order to protect the separation membrane from hydrophobic contaminants.

Abstract: A display device includes a light source unit, a light guide plate including a light incident surface, an opposite surface, a light exit surface, and a light exit rear surface, a display panel provided on the light exit surface, a bottom chassis for housing the light guide plate, and an anti-static electricity member including a fluoride resin and contacting the bottom chassis, where the bottom chassis includes a bottom section and a sidewall section perpendicularly connected from the bottom section, and the sidewall section includes a first sidewall section more adjacent close to the light incident surface than the opposite surface, a second sidewall section, a third sidewall section, and the fourth sidewall section, and the anti-static electricity member is provided between the first sidewall section and the light source unit and contacting at least a portion of the first sidewall section.

Abstract: A display device component includes an optical waveguide having a surface; a first material formed on a portion of the surface of the optical waveguide; and a second material formed on a portion of the first material. The first material has light scattering properties.

Abstract: Techniques are disclosed relating to power management of an integrated circuit. In one embodiment, an integrated circuit includes a plurality of temperature sensors configured to measure a plurality of temperatures at different locations in the integrated circuit. The integrated circuit further includes a power management circuit configured to determine a set of guard bands based on a temperature difference determined using the plurality of temperatures. The power management circuit is configured to adjust, using the set of guard bands, a particular one of the plurality of temperatures, and to use the adjusted particular temperature to manage power consumption of the integrated circuit. In some embodiments, the power management circuit is configured to manage the power consumption by adjusting a voltage supplied to the integrated circuit, the adjusted voltage being based on the adjusted particular temperature.

Abstract: Disclosed are robust packaging systems and methods for optical elements used in optical light pipes. One optical light pipe includes a housing having opposing first and second ends and a body that extends therebetween, an optical element arranged within the housing, and a reflective coating applied about an outer surface of the optical element.

Abstract: A headphone system includes a first audio speaker assembly and a second audio speaker assembly, a connecting body extending between the first and second audio speaker assemblies, and a light-diffusing fiber coupled with the connecting body, the light-diffusing fiber having a glass core and a cladding. At least one of the glass core and a core-cladding interface includes a plurality of light scattering structures. A light source is optically coupled to the light-diffusing fiber and configured to emit light into the light-diffusing fiber. The light scattering structures are configured to scatter the emitted light and output the emitted light at least partially along a sidewall of the light-diffusing fiber.

Abstract: A light emitting device includes a substrate in which a specular reflection area that specularly reflects reaching light is disposed on one surface, a light emitting element disposed on the substrate to emit light at least from a side surface, and a light flux controlling member disposed over the light emitting element to control a distribution of light to be emitted from the light emitting element. The light flux controlling member includes a rear surface disposed closer to the substrate, an incidence surface being an inner surface of a recess opening toward the rear surface and receiving light emitted from the light emitting element, and an emission surface emitting at least a part of the light incident through the incidence surface toward an outside. An outer edge portion of the specular reflection area is positioned outside an opening edge portion of the recess.

Abstract: The invention provides a lighting unit comprising a waveguide for providing first light (111) having a first spectral distribution and second light (121) having a second spectral distribution emanating from a waveguide (100) in different directions, wherein the first spectral distribution and second spectral distribution differ. For instance, the first light (111) and the second light (121) have different color temperatures.

Abstract: A lighting system can comprise an edgelit panel, for example a lightguide that may have a panel or slab shape with an edge that receives light from an array of light emitting diodes extending along the edge. The lightguide can guide the received light towards an opposing edge of the lightguide and gradually release light to provide illumination. An optic can manage light that reaches the opposing edge of the lightguide, for example via softening, spreading, concentrating, or diffusing the light. The optic can be mounted to or integrated in the opposing edge of the lightguide.

Abstract: The invention concerns a multimode optical fiber, with a graded-index core co-doped with at least fluorine F and germanium GeO2 and a refractive index profile with at least two ?-values. According to the invention, the concentration of fluorine F at the core center ([F]r=0) is between 0 and 3 wt % and the concentration of fluorine F at the core outer radius ([F]r=a) is between 0.5 wt % and 5.5 wt %, with [F]r=a?[F]r=>0.4 wt %. For wavelengths comprised between 850 nm and 1100 nm, said multimode optical fiber has an overfilled launch bandwidth (OFL-BW) greater than 3500 MHz·km and a calculated effective modal bandwidth (EMBc) greater than 4700 MHz·km over a continuous operating wavelength range greater than 150 nm.

Abstract: Flip chip LEDs include a transparent substrate or carrier having an active material attached thereto and having a number of electrodes disposed along a common surface of the active material. The substrate may include a number of surface features disposed along a first surface adjacent the active material for improving light extraction from the active material, and includes a number of surface features along a second surface opposite the first surface for minimizing internal reflection of light through the substrate, thereby improving light extraction from the transparent substrate. The surface features on both surfaces may be arranged having a random or ordered orientation relative to one another. A plurality of such flip chip LEDs may be physically packaged together in a manner providing electrical connection with the same for a lighting end-use application.

Abstract: A noise suppression cable includes a plurality of twisted pair wires, an inclusion that includes an insulating material and a magnetic powder and separates the plurality of twisted pair wires, and a sheath that includes an insulating material and covers a periphery of the plurality of twisted pair wires and the inclusion.

Abstract: A polycarbonate copolymer includes a repeating unit A represented by a formula (1) below and a repeating unit B represented by a formula (2) below, in which an abundance ratio represented by Ar1/(Ar1+Ar2) is in a range of 35 mol % to 75 mol % and an abundance ratio represented by Ar2/(Ar1+Ar2) is in a range of 25 mol % to 65 mol %,

Abstract: A method for manufacturing a light guide apparatus includes the following steps. A first mold and a second mold are provided. The first mold and the second mold respectively include a first molding surface and a second molding surface facing each other. A protrusion is disposed at the first or second molding surfaces. Sheet materials are provided. Each sheet material includes an opening corresponding to the protrusion, a first surface and a circuit layer disposed on the first surface. One of the sheet materials is disposed on the first mold with first surface facing the first mold. The first mold and the second mold are closed. An optical plastic material is injected into the space between the first and second molding surfaces to form a light guide plate having a via corresponding to the protrusion for embedding a light source. The sheet material is laminated on the light guide plate.

Abstract: The present invention relates to a method for manufacturing a two-dimensional polymer optical waveguide, which is used for manufacturing a two-dimensional optical waveguide through simplified processes using a single imprint original master.

Abstract: An optical fiber includes a core, a cladding, and a thermally conductive member. The cladding is formed in a surrounding of the core. The thermally conductive member is formed in a surrounding of the cladding and includes a thermal conductivity higher than thermal conductivities of the core and the cladding.

Abstract: Embodiments of the invention provide a light guide plate comprising a light guide layer and a reflective layer; a lower surface of the light guide being a reflective surface; an upper surface of the light guide layer being a stepped surface and comprising an upper step surface, a lower step surface and an inclined surface connecting the upper step surface and the lower step surface; wherein the lower step surface is a light exiting surface and the reflective surface is coated on the inclined surface. Embodiments of the invention further provide a method for manufacturing the light guide plate, a backlight module provided with such a light guide plate, and a display device provided with such a backlight module.

Abstract: A method for making optical connections with optical waveguides includes mounting the optical waveguides or a device comprising the optical waveguides, on a component carrier. A partial region of the optical waveguides is embedded in a volume of resist material. Positions of the optical waveguides to be connected are detected with reference to a coordinate system using a measuring system. Favorable, three-dimensional geometries are determined for optical waveguide structures for connecting the optical waveguides to each other at predetermined connecting locations and the optical waveguide structure geometries are converted to a machine-readable dataset. The optical waveguide geometries in the volume of the resist material are three-dimensionally structured using a direct-writing lithography device operating on the basis of the machine-readable dataset.

Abstract: Variable index light extraction layers (100) that contain a plurality of microreplicated posts (120) are described. The variable index light extraction layers contain a plurality of microreplicated posts (120), a first region including a first lower-index substance (130) and a second region including a second higher-index substance (140). Optical films can use the variable index light extraction layers (100) in front lit or back lit display devices.

Abstract: To provide a tapered optical fiber having a good outer diameter accuracy and a high reproducibility, a manufacturing method of the tapered optical fiber, and a manufacturing system of the tapered optical fiber. The above-mentioned problem is solved by manufacturing system 1 of a tapered optical fiber comprising: shifter 11, 12 which reciprocates optical fiber 10 mounted at positions having a prescribed distance therebetween in the longer direction X of optical fiber 10 (the direction of the optical axis); and heating device 13 which heats the reciprocating optical fiber 10 at fixed position O, wherein shifter 13 includes a broadening unit which can increase the mounting distance (L1+L2) of the optical fiber while reciprocating the optical fiber. Shifter 11, 12 has at least two mounting unit which fix the optical fiber 10, and serves as a broadening unit controlling the two mounting unit independently or interlockingly.

Abstract: A method for manufacturing a light guide apparatus includes the following steps. A first mold and a second mold are provided. The first mold and the second mold respectively include a first molding surface and a second molding surface facing each other. A protrusion is disposed at the first or second molding surfaces. Sheet materials are provided. Each sheet material includes an opening corresponding to the protrusion, a first surface and a circuit layer disposed on the first surface. One of the sheet materials is disposed on the first mold with first surface facing the first mold. The first mold and the second mold are closed. An optical plastic material is injected into the space between the first and second molding surfaces to form a light guide plate having a via corresponding to the protrusion for embedding a light source. The sheet material is laminated on the light guide plate.

Abstract: A method of forming a single-mode polymer waveguide array connector that provides precise alignment of a plurality of cores of polymer waveguide arrays with respect to an absolute reference position, such as a guide pin hole in a ferrule, when the polymer waveguide array connector is connected to another polymer waveguide array connector or provides precise alignment of a plurality of cores of a polymer waveguide array and a fiber array with respect to the absolute reference position when the polymer waveguide array connector is connected to a single-mode fiber array connector. A plurality of cores of single-mode polymer waveguide arrays or single-mode fiber arrays is precisely aligned with each other. In addition, there is provided a combination of a plurality of molds, e.g., a first mold (A) and a second mold (B), used in a plurality of processes in a specific method.

Abstract: A Light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.

Abstract: A resonant waveguide article, including: a polymeric substrate having at least one integral grating region, wherein the article has a low birefringence property of for example, from about 5 to 270 nm/cm, as defined herein. Also disclosed is a microplate including the resonant waveguide article, and an integral well plate bonded to the sensor article, as defined herein. Also disclosed are methods of making a sensor article, and a method of making and using the microplate including the sensor article, as defined herein.

Abstract: A method of making a microplate, including: injection molding a resin to form a substrate (900) having a grating region feature on a surface of the substrate, and at least one micro-feature (910) in the vicinity of the grating region feature; waveguide treating (920) the resulting molded substrate; and over-molding the resulting waveguide treated molded substrate with a compatible resin to from the integral well plate (935) on the microplate. Also disclosed is a method of making a microplate, including: surface roughening to form a bonding area on a waveguide coated surface of a polymeric substrate having an integral grating region; and over-molding the resulting surface roughened substrate and a compatible resin to form the integral microplate, as defined herein.

Abstract: A light guide and covering element, a motor vehicle instrument panel including the same, and a method for manufacturing the same are disclosed. The light guide and covering element include a first portion and a second portion. The first portion of the light guide and covering element are produced from a first transparent material. The second portion of the light guide and covering element are produced from a second opaque material. The first portion of the light guide and covering element and the second portion of the light guide and covering element are made from a single part.