Abstract: A backlight module includes a light guiding plate having a side surface, at least one light source facing towards the light guiding plate, and a thermal insulation element. The thermal insulation element is configured to prevent heat from the at least one light source from transferring to the bezel and display panel. The thermal insulation element is coupled to the side surface. The at least one light source is enclosed by the light guiding plate and the thermal insulation element.

Abstract: Provided is a backlight module including a light guide plate having a horizontal light guide plate body and a first bent portion near a non-incidence side; and an optical assembly having a horizontal optical assembly body and a second bent portion near the non-incidence side, the optical assembly body is attached tightly to an upper surface of the light guide plate body, and the second bent portion is attached tightly to the first bent portion. Further provided is a display device having the backlight module. By removing the frame and the back plate portion on at least one incidence side and bending corresponding ends of the light guide plate and the optical assembly, multi-side backlight effect of the backlight module is achieved.

Abstract: A display device includes a display device including a display panel and a light source configured to emit light. A light guide member is configured to receive the light and guides the light toward the display panel. A protective member is dimensioned and configured to receive the light guide member. The protective member includes a sidewall portion. A support member is configured to absorb pressure from the light guide member.

Abstract: A backlight board and a liquid crystal display apparatus are disclosed. The backlight module includes a plastic frame and a square-shaped adhesive tape. The plastic frame has an attachment surface on the top surface of the plastic frame. The attachment surface includes a first attachment sub-surface and a second attachment sub-surface. The first attachment sub-surface is parallel with a light-exiting surface; the second attachment sub-surface is connected to an end of the first attachment sub-surface, and is at a predetermined angle in relation to a plane on which the first attachment sub-surface is disposed. A portion of the square-shaped adhesive tape that may extend outwardly from an edge of the plastic frame can be attached to a transitional surface to avoid extending out of the plastic frame.

Abstract: An embodiment of the invention enables each core in an end face to be readily identified by observation of either one end face, regardless of the presence or absence of a twist of a pertinent MCF and difference of ends. In a cross section of the MCF, a core group constellation has symmetry but each core in a core group is identifiable by breaking of all types of symmetry in a common cladding, defined by a combination of the core group constellation with the common cladding, or, by making the fiber ends distinguishable.

Abstract: A multicore fiber including two or more cores each capable of single mode transmission, a cladding covering around the two or more cores in common, and a low refractive index portion having a refractive index lower than a refractive index of the cladding, wherein a cross-section perpendicular to a longitudinal direction includes a region where two or more cores of a part or all of the two or more cores are arranged in a circular shape and at least a part of the low refractive index portion is arranged inside an inscribed circle of the cores included in the region.

Abstract: A multicore fiber includes a plurality of unit multicore fibers each including: a plurality of core portions; and a clad portion which is formed in an outer circumference of the core portions and has a refractive index lower than a maximum refractive index of the core portions. The plurality of the core portions have substantially same refractive index profile and different group delays at same wavelength in same propagation mode. The core portions of the multicore fiber are configured so that the core portions of the plurality of the unit multicore fibers are connected in cascade, a maximum value of differential group delays between the core portions of the multicore fiber is smaller than a reduced value of a maximum value of differential group delays between the core portions of each unit multicore fiber as a value in terms of a length of the multicore fiber.

Abstract: An optical fiber coating composition is provided. The optical fiber coating composition includes a radiation-curable component, a photoinitiator, and an acrylic polymer having at least one benzophenone group.

Abstract: A deep-UV optical circuit includes a laser emitting light wavelengths (?) below 250 nm. The circuit also includes a graphene optical cable formed of an optic core formed of a gas or vacuum having an index of refraction ranging between 1.000 and 1.002 and a cladding layer formed of a graphene cylinder made of a contiguous lattice of covalently-bonded carbon atoms surrounding the optic core. The circuit also includes an optical detector circuit configured to detect the light. The graphene optical cable optically couples the laser to the optical detector circuit, where the optical cable transmits light wavelengths (?) below 250 nm as graphene has an index of refraction less than 1 for light wavelengths (?) below 250 nm.

Abstract: Provided is a coated optical fiber excellent in both characteristics of the microbending loss resistance and the low-temperature characteristic. The coated optical fiber 1 comprises an optical fiber 10 that has a cladding layer composed of glass formed on an outer periphery of a glass core, a primary coating layer 20 that coats an outer periphery of the optical fiber 10, and a secondary coating layer 30 that coats an outer periphery of the primary coating layer 20, wherein the primary coating layer 20 has a Young's modulus of 1.2 MPa or less, the secondary coating layer 30 has a Young's modulus of 700 MPa or more, and the primary coating layer 20 contains tin in a content of 70 ppm or less.

Abstract: An optomechanical device with mechanical elements and optical filters for actuating and/or detecting movement of the elements, including a support, and on the support: an array of mechanical elements anchored to the support and configured to move with respect thereto, and an actuating and/or detection device actuating the elements and/or detecting movement of the elements or frequency variations of the movement. The actuating and/or detection device includes an array of optical filters. Each filter resonates at a particular wavelength and is coupled to one of the elements. The actuating and/or detecting device is positioned in vicinity of all or some of the elements, between the elements and the support. The optical filters are fixed with respect to the support and the mechanical elements and the optical filters are superimposed.

Abstract: An apparatus comprising a substrate having a silicon waveguide thereon. The apparatus also comprises a semiconductor layer with a direct band gap. The semiconductor layer is located on a segment of the silicon waveguide and the semiconductor layer and the silicon waveguide are in a hybrid optical waveguide.

Abstract: Systems and methods for multiple-pass stripping of an optical fiber are disclosed. The method include irradiating a first portion of the coating with a first beam of radiation having a wavelength at which the coating is substantially transparent and an intensity that exceeds the optical-damage threshold of the coating to form a first damaged coating portion. The method also includes receiving at least a portion of the first radiation beam and redirecting it as a one or more redirected radiation beam to either the first portion of the coating to assist in forming the first damaged coating portion, or to one or more second portions of the coating to form one or more second damaged coating portions. The method additionally includes exposing a section of the central glass portion damaged portions of the coating.

Abstract: An integrated lens with integrated functional optical surfaces for use in optical communication is disclosed. The integrated lens includes first and second cavities and a fiber adapter. The device also includes integrated first and second lenses. The first cavity houses one or more optical transmitting and/or receiving devices. The second cavity has a first optical surface and an optional second optical surface. The fiber adapter has the second lens. The integrated lens enables a small size, a light weight, high coupling and a high transmission efficiency, and can be produced by injection molding using a single mold. The integrated lens is applicable to optical signal coupling, fiber connections, optical modules, and optical or optoelectronic communication.

Abstract: A hybrid plug connector including an insulative housing defining a cavity to receive an optical fiber assembly therein, and a plurality of passageways to receive a plurality of terminals therein. A printed circuit board is located behind the terminals and connected to the terminals. An electrical cable is mounted to a rear portion of the circuit board. The whole optical fiber assembly is received within the housing and is somewhat back and forth moveable along a front-to-back direction for buffering for compliantly coupling with another optical fiber assembly built within the complementary receptacle connector when the plug connector is inserted into the complementary receptacle connector. A lens module is formed on the optical fiber assembly for collimating the light beams from the optical fibers.

Abstract: A fiber-optic adapter with enhanced alignment is described. The adapter has two opposing housing halves and two opposing floating connector latches. Each housing half has a channel. The channels are configured to align when the two housing halves are secured together. The channels of the housing halves also have pockets which are configured to utilize a clearance fit, allowing the connector latches to float when the housing halves are secured together.

Abstract: A ferrule (10) has a receiving area for receiving and securing an optical waveguide (20) and an optical element (13) for receiving light from an optical waveguide received and secured at the receiving area and changing at least one of a divergence and a propagation direction of the received light. A plurality of registration features (30, 31, 32, 33, 34) are configured to permit a stacking of the ferrule in a stacking direction such that the ferrules in the stack are aligned relative to each other along a length of the ferrule and along a direction perpendicular to the stacking direction.

Abstract: The cleaning nozzle is used for cleaning an optical fiber connector using a cleaning fluid. The optical fiber connector includes a connector housing. A ferrule is supported within the interior of the connector housing. The nozzle has inner and outer housing members that respectively define an inner channel and an outer channel. The inner channel is sized to accommodate a front-end section of the ferrule. The inner and outer channels are in fluid communication through the interior of the connector housing when the front-end section of the ferrule resides within the inner channel. The nozzle assembly includes the nozzle and the optical fiber connector. Methods of cleaning the interior of the optical fiber connector as well as the ferrule end face, the optical fiber end face and the ferrule outer surface are also disclosed.

Abstract: A method for manufacturing a fiber optic connector assembly, comprising: providing a ferrule having a first fiber and a cable having a second fiber; adjusting the ferrule to locate the first fiber at a first predetermined orientation, and adjusting the cable to locate the second fiber at a second predetermined orientation; and inserting the first fiber located at the first predetermined orientation and the second fiber located at the second predetermined orientation into a alignment tool received in a housing of a fiber optic connector.

Abstract: A boot for an optical connector ferrule is provided with a ribbon fiber insertion portion internally provided with vertical partition portions so as to section ribbon fibers into upper and lower stages and enable to insert the ribbon fibers, and a front opening portion exposing the optical fiber core wires in the respective leading ends of the inserted ribbon fiber groups to a forward outer side, and the boot for the optical connector ferrule is inserted to a boot insertion opening portion formed in a rear end side of the optical connector ferrule. An exposure notch portion is provided in a rear end portion of each of both upper and lower wall surfaces of the ribbon fiber insertion portion for forming a fiber guide of each of the ribbon fibers by making the rear end portion side of the vertical partition portions protrude outward from the ribbon fiber insertion portion.

Abstract: An optical connector of the disclosure includes: an optical connector body including a housing that houses a ferrule, and a coupling that is movable relative to the housing, the optical connector body being employed to release a latched state by moving the coupling rearward relative to the housing; and a pull member including a pull operation part that is located rearward of the coupling. The pull member includes a pair of side plate parts to be respectively arranged along the side surfaces of the coupling. Each side plate part includes an inner projection that projects inward from an inner surface. The coupling includes a recessed engagement part. The inner projection of the pull member engages with the engagement part of the coupling. When the pull operation part of the pull member is pulled rearward, the coupling is moved rearward relative to the housing by the inner projection of the pull member.

Abstract: Technologies are generally provided to establish imaging through an optical fiber to enhance optical coupling between an optoelectronic device and the optical fiber. Imaging may be established by determining transmission properties of the optical fiber based on an observed light pattern, and applying a phase mask to input light based on the transmission properties to produce a focused light at the output end of the optical fiber. The focused light may be employed to determine a position and orientation of the optoelectronic device relative to the optical fiber by scanning the focused light and collecting light reflected from the scanning of the optoelectronic device at a charge-coupled device (CCD) camera and generating an image of the optoelectronic device. The position and orientation of the target device may be adjusted employing precision alignment tools to enhance alignment of the target device with the optical fiber for optimal coupling.

Abstract: In a transceiver module, where one end of a module substrate is inserted and connected to a concave portion of a plug connector and when one end face of the module substrate is touched to the inner periphery face forming the concave portion, a projection portion formed at the periphery of the concave portion of the plug connector is fitted to a notch portion of the module substrate.

Abstract: A multi-channel optical transmitter or transceiver includes an optical multiplexer with input and output ports on a single side. The optical multiplexer receives optical signals at different channel wavelengths on a plurality of mux input ports on one side and combines the optical signals into a multiplexed optical signal, which is output on an optical output port on the same side. The optical multiplexer may be located at a distal end of a transceiver or transmitter housing. In one embodiment, the optical multiplexer is a reversed planar lightwave circuit (PLC) splitter including splitter output ports that are used as the mux input ports and a splitter input port that is used as the mux output port. The mux input ports may be optically coupled to respective transmitter optical subassembly (TOSA) modules with optical fibers.

Abstract: An electrical interface includes an insulating body, first electrodes, and second electrodes. The insulating body includes a first front edge surface and a second front edge surface facing in a direction along a transmission direction of an optical signal at an optical interface and having different heights. The first electrode and the second electrode are provided on the insulating body so as to have a thickness from the first front edge surface and the second front edge surface in a direction of the height. A first flexible wiring board and a second flexible wiring board include a first area and a second area extending in directions along the first front edge surface and the second front edge surface, respectively, of the insulating body, and include, in the first area and the second area, first pads and second pads electrically connected with the first electrodes and the second electrodes.

Abstract: Multi-fiber, fiber optic cables and cable assemblies providing constrained optical fibers within an optical fiber sub-unit are disclosed. The optical fiber sub-unit(s) comprises optical fibers disposed adjacent a sub-unit strength member(s) within a sub-unit jacket. Movement of optical fibers within a sub-unit jacket can be constrained. In this manner, the optical fibers in an optical fiber sub-unit can be held together within the optical fiber sub-unit as a unit.

Abstract: A telecommunications module includes a main housing portion and a cover, the main housing portion defining a first sidewall, a front wall, a rear wall, a top wall, and a bottom wall, the cover defining a second sidewall when mounted on the main housing portion. An optical component located within the module receives an input signal from a signal input location of the housing and outputs an output signal toward a signal output location on the front wall. The telecommunications module is configured such that the signal input location can be selected to be either on the front wall or the rear wall of the main housing. The cover defines a protrusion extending from the second sidewall toward the main housing portion, the protrusion being selectively breakable to expose a recess on the front wall of the main housing portion that defines a signal input location.

Abstract: An assembly including a pallet, a carousel mounted on the pallet, a plurality of tray assemblies stacked one on top of the other on the carousel. Each of the tray assemblies include a tray body, at least one fiber optic adapter supported at a top side of the tray body and a first spool mounted beneath the tray body. The first spool has spaced-apart flanges and fiber optic cable wrapped about the first spool at a location between the spaced-apart flanges. At least some of the flanges of the first spools of adjacent tray assemblies are coupled together.

Abstract: A sliding tray is configured to support one or more optical communications modules and includes a body portion having one or more mounting locations for the one or more optical communications modules, a trough projecting from the body portion and configured to support optical fibers connected to the one or more optical communications modules, and a cover pivotably connected to the tray for selectively covering the trough.

Abstract: A mid-span clamp includes an elongate base that defines a cable channel on a top side. The clamp includes a first pressure block connected to the base by a first control arm. The first pressure block includes a clamping surface and a top surface. The top surface includes a cleat. The clamp includes a second pressure block connected to the base by a second control arm. The second pressure block also includes a clamping surface and a top surface. The top surface includes a cleat. The clamp has an open position and a closed position. In the open position, a cable passageway is defined between the clamping surfaces of the first and second pressure blocks and the cable channel of the base. In the closed position, the clamping surfaces of the first and second pressure blocks close the cable passageway. The clamp is biased in the closed position.

Abstract: An optical mount, comprising an outer ring (1), an inner ring (2), at least two manipulator units, by means of which the inner ring (2) is adjustable with respect to the outer ring (1) in an adjustment plane perpendicular to a mount axis, and at least one clamping unit (0) acting independently of the manipulator units. The clamping unit (0) is formed by a threaded hole (4), which is directed radially to the mount axis (1.1) in the outer ring (1), and a screw (5) supported in said threaded hole (4), said screw (5) having a through hole (8) along the screw axis (5.0) which is connected with the inner ring (2) in the clamping condition via an adhesive gap (7) filled with adhesive (6).

Abstract: Disclosed is a motor for driving lenses.

Abstract: A polymer device includes: a pair of electrode layers; a polymer layer inserted between the pair of electrode layers; and an expansion-contraction suppression layer arranged between the pair of electrode layers, the expansion-contraction suppression layer being arranged away from the respective electrode layers, and the expansion-contraction suppression layer being configured to suppress expansion and contraction of the polymer layer.

Abstract: A camera module of an electronic device includes a lens unit with a first coil, a vibration unit with a second coil, and a magnetic unit. The vibration unit is positioned outside the lens unit and spaces a first certain distance with the lens unit. The magnetic unit is positioned outside the vibration unit and spaces a second distance with the vibration unit. When the first coil receives electrical signal, the first coil is actuated to move with the lens unit. When the second coil receives electrical signal, the second coil is actuated to move with the vibration unit with the vibration unit. Therefore, the magnetic blocks are cooperated with the lens assembly and the vibration block, to make an automatic focusing function and a vibration function being combined in the camera module.

Abstract: A lens driving module for driving a lens along an optical axis is provided. The lens driving module includes a stator having a hollow cylindrical shape through which the optical axis passes through and including coils, a rotator having a hollow shape through which the optical axis passes, mounted on an outer side of the stator, capable of rotating with respect to the stator with the optical axis as a center line, and including magnets facing the coils, and at least one of rotation connecting members connecting the rotator to the stator such that the rotator may rotate with respect to the stator to maintain a gap between the coils and the magnets.

Abstract: A mirror drive device that eliminates the need of an additional driving source for releasing a mirror from a locked state, and achieves power saving, lower cost, and size reduction thereof. When a main mirror holder and a sub mirror holder rotatably attached thereto are in respective mirror-down positions, cams of a cam gear and a mirror drive gear that moves the sub holder are in contact to restrict movement of the mirror drive gear. When the holders are between the mirror-down position and a mirror-up position, gears of the cam gear and the mirror drive gear are in mesh for moving the sub holder. When the sub holder is moved from the mirror-down position to the mirror-up position, the sub holder is brought into contact with the main holder to push and move the main holder from the mirror-down position to the mirror-up position.

Abstract: An image pickup lens includes a first lens with positive refractive power having a convex object side surface, an aperture stop, a second lens with negative refractive power having a convex image side surface, a third lens with positive refractive power having a concave image side surface, a fourth lens with positive refractive power having a convex image side surface, and a fifth lens with negative refractive power as a double-sided aspheric lens having a concave image side surface near the optical axis; wherein the first lens and the second lens satisfy following conditional expressions (1) and (2); 50<?1<85??(1) 20<?2<35??(2) where ?1 represents an Abbe number of the first lens, and ?2 represents an Abbe number of the second lens, and where the second lens satisfies a following conditional expression (3); 1.55<Nd2<1.70??(3) where Nd2 represents a refractive index of d-ray of the second lens.

Abstract: An imaging lens includes a first lens having negative refractive power; a second lens having positive refractive power; a third lens having positive refractive power; and a fourth lens, arranged in this order from an object side to an image plane side. The second lens is arranged to face the third lens. The first lens has a focal length f1 and the fourth lens has an Abbe's number ?d4 so that the specific conditional expressions are satisfied.

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 imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features a low F-value, low-profile design and a wide field of view. Designed for a solid-state image sensor, the imaging lens includes constituent lenses arranged in order from an object side to an image side: a first positive refractive power lens; a second negative refractive power lens; a third lens; a fourth lens; a fifth lens; a sixth lens having a concave image-side surface near an optical axis; and a seventh negative refractive power lens.

Abstract: An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m may include a first optical element of a first high-index material and a second optical element of a second high-index material. At least two surfaces of the first and second optical elements may be optically powered surfaces. A largest clear aperture of all optically powered surfaces may not exceed a diameter of an image circle of the imaging lens corresponding to a field of view of 55 degrees or greater by more than 30%. The first and second high-index materials may have a refractive index greater than 2.2 in the operational waveband, an absorption per mm of less than 75% in the operational waveband, and an absorption per mm of greater than 75% in a visible waveband of 400-650 nm.

Abstract: A zoom lens is constituted by, in order from the object side to the image side: a positive first lens group; a positive second lens group; a negative third lens group; a negative fourth lens group; and a positive fifth lens group. The first lens group and the fifth lens group are fixed with respect to an image formation plane while the second lens group, the third lens group, and the fourth lens group move to change the distances among adjacent lens group when changing magnification. Conditional Formula (1) below is satisfied. 2.

Abstract: A variable magnification optical system includes, in order from the object side: a positive first lens group, which is fixed when changing magnification; a negative second lens group that moves from the object side to the image side when changing magnification from the wide angle end to the telephoto end; and a rearward lens group having a positive refractive power throughout the entire variable magnification range that includes at least one lens group that moves when changing magnification. The first lens group includes, in order from the object side, a positive first lens group front group, a positive first lens group middle group, and a first lens group rear group constituted by a negative lens. The first lens group front group and first lens group middle group include cemented lenses formed by cementing a negative lens and a positive lens, provided in this order from the object side, together.

Abstract: For high spatial resolution imaging a structure in a sample, the structure being marked with luminescence markers, light that has an effect on the emission of luminescence light by the luminescence markers is directed onto the sample with an intensity distribution having a zero point and intensity maxima neighboring the zero point in at least one direction. A scan area which is a part of the sample is scanned with the zero point. Luminescence light emitted out of a local area including the zero point is registered and assigned to the respective location of the zero point in the sample. Dimensions of the scan area, in at least one direction in which the intensity maxima are neighboring the zero point, are limited such that they are not larger than 75% of a distance of the intensity maxima in the at least one direction.

Abstract: The invention relates to an apparatus and a method for imaging surface area of a sample having a surface topography with the aid of confocal microscopy, such as confocal Raman and/or fluorescence microscopy. The apparatus comprises a surface topography sensor that provides values for the surface topography. The surface topography values allow for the surface to be maintained in the confocal plane during scanning.

Abstract: A microscope illumination apparatus includes: a dark-field illumination unit including a light source that is arrangeable in an outer periphery of an observation light path of a microscope, the dark-field illumination unit being removably provided in the outer periphery of the observation light path; a detector that detects that the dark-field illumination unit has been arranged in a prescribed position of the outer periphery of the observation light path, and outputs a turn-on signal; and a controller that controls the light source to be turned on in accordance with the detection of the detector.

Abstract: The embodiments herein provide a variable three-dimensional stereomicroscope assembly. The assembly includes housing, an eye-piece optical unit provided with left and right eye pieces for viewing a target-object through left and right eyes respectively. A pair of movable and telescoping arms detachably coupled to the objective lens unit along with moveable sleeves for focusing a light reflected from the target object. Optics are provided to enable a desired binocular vision of the target-object through the left and right eye pieces simultaneously. The pair of movable and telescoping arms are individually moved and rotated to focus on the target-object.

Abstract: A microscope has a light source for generating a light beam having a wavelength, ?, and beam-forming optics configured for receiving the light beam and generating a Bessel-like beam that is directed into a sample. The beam-forming optics include an excitation objective having an axis oriented in a first direction. Imaging optics are configured for receiving light from a position within the sample that is illuminated by the Bessel-like beam and for imaging the received light on a detector. The imaging optics include a detection objective having an axis oriented in a second direction that is non-parallel to the first direction. A detector is configured for detecting signal light received by the imaging optics, and an aperture mask is positioned.

Abstract: Various embodiments of microscopy systems, devices, and associated methods of analysis are described herein. In one embodiment, a method of operating a microscope includes acquiring a profile of a light signal from a sample with a photo detector without passing the light signal through a physical pinhole. The method also includes determining a parameter of the sample based on generally the entire acquired profile of the light signal.