Abstract: The present application discloses a polarizing film and a display device including the polarizing film. The polarizer includes a transparent substrate; a linear polarizer disposed on the transparent substrate; an optical retardation film disposed on the transparent substrate; the linear polarizer including a first dielectric layer covered on the transparent substrate and a metal layer disposed on the first dielectric layer; and the optical retardation film including a second dielectric layer disposed on the transparent substrate to solve the mechanical, optical and lifetime issues faced to the conventional organic polarizing film, while solving the problem of the increased thickness of optical films owing to the manufacture and adhesion of polarizer and retardation film separately.

Abstract: A light emitting arrangement (100, 200, 300) is provided, comprising: a body (10) of solid material having a surface (11); a light guiding member (101, 110) partially embedded into said body, having a plurality of discrete light outcoupling regions (103) comprising light outcoupling means (230, 730, 830, 930) distributed along a longitudinal direction of the light guiding member, and a plurality of discrete, non-outcoupling regions (102) distributed along a longitudinal direction of the light guiding member, wherein said plurality of light non-outcoupling regions of the light guiding member are embedded by said body and said plurality of light outcoupling regions of the light guiding member are exposed on the surface of said body, wherein said non-outcoupling regions (102) form light incoupling regions comprising light incoupling means (220, 320, 420, 520, 620); and a plurality of solid state light sources (12) embedded within said body (10) of solid material arranged to emit light towards said light incoupli

Abstract: A liquid crystal display device includes a liquid crystal panel, a liquid crystal panel flexible circuit board, and a backlight unit. The backlight unit includes LEDs, a light guide plate, a chassis, and an LED board. The light guide plate has an outer shape conforming to an outer shape of the liquid crystal panel. The chassis including a sidewall portion which surrounds the light guide plate and the LEDs. The LED board has an outer shape conforming to the outer shape of the light guide plate. The LEDs are mounted on the LED board at intervals in the circumferential direction. The LED board includes LED mount portions, and LED interval portions. The LED interval portions include a cut-out LED interval portion. Between the cut-out LED interval portion and the sidewall portion, a liquid crystal panel flexible circuit board passing space is provided.

Abstract: A backlight module includes a glue frame, a light guide plate, a first light source assembly, and a second light source assembly. The light guide plate and the first and second light source assemblies are accommodated in the glue frame. The first light source assembly includes a light source that includes LED light sources mounted on a substrate. The second light source assembly includes a plurality of laser light sources mounted on a substrate and a diffuser. The light guide plate includes first and second incident surfaces. The light source of the first light source assembly and the first incident surface are oppositely positioned. The laser light sources and the second incident surface are oppositely positioned. The diffuser is positioned between the laser light sources and the second incident surface with predetermined distances. Colors of the LED light sources and the laser light sources are complementary colors.

Abstract: To provide a plastic optical fiber ribbon excellent in efficiency for positioning to V grooves. A plastic optical fiber ribbon 10 wherein a plurality of plastic optical fibers 1 are arranged so that their center axes are parallel to one another in the same plane and are integrated by a collective coating 2, wherein at least one outer surface in the thickness direction of the plastic optical fiber ribbon 10 has a mountain-valley shape following the outer surfaces of the plastic optical fibers 1, in which an inclined portion is present where the thickness of the collective coating 2 gradually increases in a direction from the peak 2a of the mountain toward the valley 2b, and in a cross section perpendicular to the longitudinal direction of the plastic optical fiber ribbon 10, a central angle ? of the sector formed by connecting an arc from the apex P of the mountain to the starting point Q of the inclined portion and a center of the plastic optical fiber 1 is from 30 to 80°.

Abstract: The present embodiment relates to an MCF having a low transmission loss and having a structure for reducing a transmission loss and effectively suppressing an inter-core XT. The uncoupled MCF includes alkali metal having a predetermined concentration in which each of a plurality of cores contributes to reduction in the transmission loss, and a core pitch is set so that a sum h_total of power coupling coefficients of a specific core and the remaining all cores of the plurality of cores is 2.3×10?4/km or less.

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: An optical circuit module comprises a substrate with a first optical coupler connected to a first optical waveguide and a second optical coupler connected to a second optical waveguide on a substrate surface side; and a semiconductor photonic device mounted on the substrate, wherein the semiconductor photonic device has a third optical waveguide and a fourth optical waveguide extending to a first end face that faces the substrate surface, and wherein the third optical waveguide is optically connected to the first optical coupler and the fourth optical waveguide is optically connected to the second optical coupler.

Abstract: A single mode waveguide with a straight portion and a curved portion, the curved portion having the shape of an adiabatic bend. The single mode waveguide has a curved portion that is shaped according to an adiabatic bend, with a curvature that varies continuously, and that vanishes at a point at which the curved portion is contiguous with a straight portion of the waveguide. The absence of curvature discontinuities avoids the coupling, within the waveguide, of optical power from a fundamental mode into a higher order mode and the curvature of the curved portion results in attenuation of optical power, in higher order modes, that may be coupled into the waveguide at either end.

Abstract: A probe structure includes a monolithically integrated waveguide and lens. The probe is based on SU-8 as a guiding material. A waveguide mold is defined using wet etching of silicon using a silicon dioxide mask patterned with 45° angle with respect to the silicon substrate edge and an aluminum layer acting as a mirror is deposited on the silicon substrate. A lens mold is made using isotropic etching of the fused silica substrate and then aligned to the silicon substrate. A waveguide polymer such as SU-8 2025 is flowed into the waveguide mask+lens mold (both on the same substrate) by decreasing its viscosity and using capillary forces via careful temperature control of the substrate.

Abstract: An example method of forming a deterministic thin film from a crystal substrate is described herein. The method can include implanting ions into a surface of the crystal substrate to form a thin film crystal layer, and bonding the crystal substrate and a handle substrate to form a bilayer bonding interface between the crystal substrate and the handle substrate. The method can also include exfoliating the thin film crystal layer from the crystal substrate, patterning the thin film crystal layer to define a deterministic thin film, etching one or more trenches in the thin film crystal layer, etching the bilayer bonding interface via the one or more trenches, and releasing the deterministic thin film from the handle substrate.

Abstract: A waveguide mode expander couples a smaller optical mode in a semiconductor waveguide to a larger optical mode in an optical fiber. The waveguide mode expander comprises a shoulder and a ridge. In some embodiments, the ridge of the waveguide mode expander has a plurality of stages, the plurality of stages having different widths at a given cross section.

Abstract: An optical fiber assembly is provided including an optical fiber and a beam shaping component affixed to an extremity of the optical fiber. The optical fiber supports a guided mode having a spatial profile defining a first shape. The beam shaping component defines a light path and has a transversal refractive index profile including an outer refractive index value greater than an inner refractive index value. The beam shaping component transforms the spatial profile of a light beam propagating along the light path between the first shape and a second shape different from the first shape. The optical assembly may for example transform a Gaussian light beam into a flat-top or donut shape.

Abstract: In the examples provided herein, a mounting substrate includes a plurality of filter chips, where each filter chip includes a thin film filter coating on a surface of a different substrate, and the plurality of filter chips are positioned adjacent to each other in a row. A first edge of a first filter chip is flush with a first edge of the mounting substrate, a second edge of the first filter chip is flush with a second edge of the mounting substrate, and the first edge and second edge share a common corner. The flush edges of the first filter chip and the mounting substrate are reference surfaces, the plurality of filter chips are coupled to the mounting substrate via an epoxy, and the reference surfaces are to mate to connector reference surfaces on a connector.

Abstract: Embodiments herein include an optical system that passively aligns a fiber array connector (FAC) to a waveguide in a photonic chip. A substrate of the FAC is machined or etched to include multiple grooves along a common axis or plane to hold optical waveguides, or more specifically, the fibers of the optical cables in the FAC. To align the fibers to the photonic chip, one of the fibers is disposed in an alignment trench which has a width that is substantially the same as the diameter of the fiber. When the fiber registers with the alignment trench, the fiber is aligned with a waveguide disposed at the end of the trench. Because the pitch between the fibers can be precisely controlled, aligning one of the fibers using the alignment trench results in the other fibers becoming passively aligned to respective waveguides in the photonic chip.

Abstract: Waveguide connectors include a ferrule having first alignment features. A waveguide has one or more a topclad portions, each with a waveguide core, second alignment features fastened to the first alignment features, and underclad portion that is thicker than the one or more topclad portions.

Abstract: A waveguide coupler has a compression region and an expansion region for coupling light between a silicon waveguide and an optical fiber. The compression region receives light from the silicon waveguide and compresses an optical mode of the light. Light is transmitted from the compression region to an expansion region. The expansion region expands the light to have a larger cross section. Light is then transmitted to the optical fiber.

Abstract: Embodiments described herein relate to an imaging device, a method for imaging an object, and a photonic integrated circuit. The imaging device includes at least one photonic integrated circuit. The photonic integrated circuit includes an integrated waveguide for guiding a light signal. The photonic integrated circuit also includes a light coupler optically coupled to the integrated waveguide. The light coupler is adapted for directing the light signal out of a plane of the integrated waveguide as a light beam. The imaging device also includes a microfluidic channel for containing an object immersed in a fluid medium. The microfluidic channel is configured to enable, in operation of the imaging device, illumination of the object by the light beam. In addition, the imaging device includes at least one imaging detector positioned for imaging the object illuminated by the light beam.

Abstract: Embodiments described herein relate to a light coupler, a photonic integrated circuit, and a method for manufacturing a light coupler. The light coupler is for optically coupling to an integrated waveguide and for out-coupling a light signal propagating in the integrated waveguide into free space. The light coupler includes a plurality of microstructures. The plurality of microstructures is adapted in shape and position to compensate decay of the light signal when propagating in the light coupler. The plurality of microstructures is also adapted in shape and position to provide a power distribution of the light signal when coupled into free space such that the power distribution corresponds to a predetermined target power distribution. Each of the microstructures forms an optical scattering center. The microstructures are positioned on the light coupler in accordance with a non-uniform number density distribution.

Abstract: A wet mate optical connector in combination with a wave division multiplexer, there being a plurality of input fiber optic cables on an input side of the multiplexer and a fiber optic cable on an output side of the multiplexer connected for providing multiplexed optical signals from the input cables to the wet mate connector.

Abstract: A receptacle connector comprises a receptacle ferrule, and a receptacle housing including a cavity housing the receptacle ferrule and a cavity housing a plug connector. The receptacle ferrule includes an optical coupling surface (front surface). An opening area of the cavity on a cross section vertical to an inserting direction of the plug connector to the receptacle housing is smaller than an opening area of the cavity on the cross section vertical to the inserting direction. In a second state after being optically coupled, the optical coupling surface (front surface) is positioned inside the cavity.

Abstract: The present invention discloses a type of optical fibre connector, comprising: an external shell; an internal shell, installed within said external shell; an inserted core component, contained within said internal shell and comprising an inserted core and a length of optical fibre pre-installed within said inserted core; and a spring, contained within said internal shell and located behind said inserted core, and being for exerting a pre-set axial force on said inserted core. Said internal shell includes a front part and a rear part; said rear part is assembled on said front part. Additionally, said spring is compressed between said rear part and said inserted core. In the present invention, the rear part can act as a retainer for the compressed spring and can also be for securing the Kevlar fibre extension tube of the optical cable.

Abstract: A cleaning tool includes a head member that presses a cleaning element at a pressing face against a cleaning target; a feed mechanism that supplies the cleaning element to the pressing face and that collects the cleaning element from the pressing face; and a liquid supply section that supplies a liquid cleaner and moistens the cleaning element at the pressing face with the liquid cleaner.

Abstract: Optical fiber connectors for MT/MPO type ferrule assemblies are disclosed, having an overall connector length less than about 32 mm, for example, an overall length of about 18.5 mm for non-reinforced optical fiber cables, and an overall length of about 23.5 mm for reinforced optical fiber cables. In one embodiment, a connector comprises a ferrule assembly, and a housing coupled to the ferrule assembly and configured to couple to an adapter corresponding to the ferrule assembly. The connector further includes a lock coupled to the housing and configured to rotate so as to lock and unlock the housing from said adapter. An interface member coupled to the housing may include a stop configured to limit rotation of the lock. The interface member may include a reinforcement portion for reinforcing optical fiber cables.

Abstract: In the examples provided herein, an apparatus has a first substrate upon which one or more first filters have been fabricated on a first surface of the first substrate. The apparatus also has a second substrate upon which one or more second filters have been fabricated on a second surface of the second substrate, wherein the one or more first filters and the one or more second filters each transmit a different band of wavelengths. Additionally, the apparatus has a bonding material that bonds the first substrate to the second substrate.

Abstract: A circuit board substrate includes a reinforcing element embedded in a resin material. The reinforcing element includes an optical waveguide. The circuit board substrate can be used in electronic devices as a printed circuit board or the like. A circuit board substrate for use in electronic devices can be formed by embedding a reinforcing element comprising an optical waveguide in a resin. The optical waveguide can be coupled to optical signal transmission and reception elements to transmit an optical signal through the reinforcing element. The optical waveguide may be an optical fiber or the like in some examples.

Abstract: An optical package according to an embodiment includes a substrate comprising any one of a photodetector or an optical grating coupler and a light source, and a reflector arranged on or over the substrate to reflect light waves radiated from the light source and transmit the reflected light waves to any one of the photodetector or the optical grating coupler.

Abstract: An optical assembly may include a platform disposed within a housing that has a limited space. The platform may be tilted by a first angle to fit a fiber array into the limited space of the housing. The optical assembly may also include a silicon photonics device mounted on the tilted platform. The silicon photonics device may include a grating coupler. The optical assembly may also include the fiber array directly coupled to the grating coupler on the silicon photonics device at a coupling position that deviates from a vertical coupling position by a second angle.

Abstract: To provide an optical fiber ribbon whereby a plastic optical fiber can be used in such a state that the tensile strength is good. A plastic optical fiber ribbon 10 characterized in that at least one plastic optical fiber 1 and at least one plastic wire 2 having a Young's modulus of at least 3,000 MPa are arranged so that their central axes are parallel to each other in the same plane, and integrated by a collective coating 3.

Abstract: An optical fiber cable management panel is provided with slidable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanism manages the cable entering and exiting the drawers at side openings. Stackable pivoting storage trays on the tray insert include a detent arrangement for holding each tray in a pivoted access position. The tray inserts further include a front key, and a back tab mounting arrangement for mounting the tray inserts to the drawers, and side radius limiters including notches for extending over raised portions of the drawer. The take-up mechanism includes a U-shaped trough section and cable retention tabs. A control mechanism is provided for controlling movement of the take-up mechanism relative to the drawer.

Abstract: The disclosure provides a positioning unit for an optical element in a microlithographic projection exposure installation having a first connecting area for connection to the optical element, and having a second connecting area for connection to an object in the vicinity of the optical element.

Abstract: A shielding plate includes a main body. A center of the main body has a through hole. The main body defines a circle center, the main body is partitioned into at least two larger diameter portions and at least two smaller diameter portions in central angles, the larger diameter portions and the smaller diameter portions are arranged alternatively around the circle center, and a distance from an outer edge of each said larger diameter portion to the circle center is greater than a distance from an outer edge of each said smaller diameter portion to the circle center so that a fringe of the main body is non-circular.

Abstract: The present disclosure describes subassemblies and optoelectronic modules in which an optics system, or a spacer laterally surrounding a cover glass, includes a flange which facilitates mechanical attachment of the optics system to the spacer.

Abstract: A lens apparatus that includes an optical system including a positive lens, the lens apparatus including a holding member arranged to hold the positive lens, an exterior member arranged to accommodate the holding member, and an engaging mechanism arranged to engage the holding member and the exterior member to each other.

Abstract: The imaging lens consists of, in order from the object side, a first lens group having a positive power, a second lens group having a negative power, and a third lens group. The first lens group consists of, in order from the object side, a positive front group, a diaphragm, and a positive rear group. The front group has a negative lens and a positive lens, the rear group has a negative lens and a positive lens, the second lens group consists of one negative lens, and the third lens group has a negative lens and a positive lens. During focusing, only the second lens group moves. The following conditional expression relating to a focal length of the second lens group and a focal length of the third lens group is satisfied: 2.5<|f3/f2|.

Abstract: A camera module generally provided in a mobile terminal. The camera module includes a lens unit which is configured to accommodate at least one lens. An actuator unit is configured to fix the lens unit, and a base which is fixed by an adhesive to the bottom of the actuator. A printed circuit board (PCB) to which the base is fixed for thereby supplying electric power to the actuator unit. Either a corner of an outer side of the bottom of the actuator unit or a corner of an outer side of the top of the base is tapered.

Abstract: Lens barrel according to the present exemplary embodiment is provided with lens unit, stationary frame, focus ring, focus grip, and a fixing section. Lens unit has an optical system. Stationary frame supports lens unit to be movable in a direction of optical axis X of the optical system. Focus ring is disposed on an outer circumferential side of lens unit, and is rotated when focus adjustment is manually performed. Focus grip is provided to protrude outwardly from focus ring, and operated for rotating focus ring. The fixing section fixes focus ring to stationary frame when focus adjustment is automatically performed. The fixing section has fixing button which is disposed on focus grip and operated for fixing focus ring to stationary frame.

Abstract: A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected.

Abstract: A lens barrel includes: a first cylindrical member that extends in a prescribed axial direction; a second cylindrical member that slides in the prescribed axial direction along an inner circumferential surface of the first cylindrical member; an axis member that slides in the prescribed axial direction along an inner circumferential surface of the second cylindrical member; and a first holding member that is fixed to the axis member, is guided in the prescribed axial direction by the slide of the axis member against the second cylindrical member, and holds a first optical member.

Abstract: Some embodiments disclosed herein relate to a lens component having one or more lenses attached to a retainer portion configured to removably attach to communication devices such as mobile phones, tablet computers, media players, and the like. The retainer portion may be configured so as not to interfere with a user's view of a display panel of the communication device. In some embodiments, a plurality of lenses may be provided, and the lenses may be removably attached to the retainer portion and may be interchangeable. A structure for providing a flash may also be provided. In some embodiments, additional features may be provided, such as attachment components to facilitate attachment to stability devices, such as tripods, and to user-wearable accessories.

Abstract: A primary mirror mount assembly includes a body including a mirror surface and a mount surface, with the mount surface having at least one feature formed therein. The mount assembly further includes a hub configured to be secured to the body. The hub includes at least one corresponding mating feature configured to receive the at least one feature of the mount surface of the body therein. The at least one feature and the at least one corresponding mating feature are configured to be welded together. A method of assembling a primary mirror mount assembly is further disclosed.

Abstract: In an optical system which includes a positive lens Gp and in which a distance on an optical axis from an object-side lens surface of a lens disposed closest to an object side to an image surface is shorter than a focal length of an entire system, an arrangement and a material of the positive lens Gp, and an arrangement of a focus unit are set appropriately.

Abstract: An optical system includes a first lens unit that has positive refractive power, a second lens unit that moves during focusing and that has positive refractive power or negative refractive power, and a third lens unit that has positive refractive power or negative refractive power. The first lens unit, the second lens unit, and the third lens unit are disposed in that order from an object side to an image side. During focusing, an interval between adjacent lens units changes. In the optical system, a focal length f of the entire optical system, a distance LD along an optical axis from a lens surface of the first lens unit that is closest to the object side to an image plane, and focal lengths of positive and negative lenses that are included in the first lens unit are appropriately set.

Abstract: An optical system includes a plurality of lenses. The distance from the object side lens surface of a lens arranged an the most object side to the image plane is longer than the focal length of the entire system. The material of a positive lens G1p arranged on the most object side among positive lenses included in the optical system, and the arrangement and material of a negative lens Gn located on the most object side among negative lenses arranged an the image side of the positive lens G1p are appropriately set.

Abstract: An optical imaging lens includes first, second, third, and fourth lens elements arranged in order from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power. The object-side surface of the first lens element has a convex portion in a vicinity of the optical axis. The second lens element has refracting power. At least one of the object-side surface and the image-side surface of the third lens element is an aspheric surface. The object-side surface and the image-side surface of the fourth lens element are both aspheric surfaces.

Abstract: A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical imaging lens includes a plurality of lens elements arranged in order from an object side to an image side along an optical axis, and each lens element has an object-side surface and an image-side surface. There is at least one variable gap between the lens elements, and one of the lens elements closest to the object side has positive refracting power. The optical imaging lens satisfies: ?G/Gv?0.1. Here, ?G is an absolute value of a difference between a first value and a second value of the length of the at least one variable gap along the optical axis when an object having an infinite object distance and an object having an object distance of 500 millimeters are focused respectively, and Gv is the second value.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.