Abstract: A sensory assembly and system can be used in a wellbore to detect and characterize the earth strata and formations around the wellbore, where a signal emitting sensory tool is part of a tool string deployed in the wellbore, and where weighted fiber optic cable is deployed in an extended position below the signal emitting sensory tool. The fiber optic cable is also part of wire-line, slickline, or coiled tubing injector head connected to the signal emitting sensory tool, thereby providing fiber optic cable both above and below the signal emitting sensory tool in position to collect backscatter signals from earth strata and formations around the wellbore. The collection of backscatter signals, particularly from below the signal emitting sensory tool, allows for more precise characterization of formations and fractures within the earth strata.

Abstract: The present invention provides a proximity switch, which can detect whether a detected object containing multiple metals exists in a specific range. The induction type proximity switch includes: an oscillation switch of which the amplitude is attenuated due to the proximity of the detected object containing metal, so as to detect the excessive proximity of the detected object; a detection circuit for detecting the amplitude of a high frequency generated by the oscillation of the oscillation circuit; an operation and comparison part for comparing the detected amplitude of the high frequency with the threshold set for the amplitude, i.e., a boundary as the excessive proximity, and outputting a detection signal of the excessive proximity when the detected amplitude is under the threshold; and a threshold setting part, for selecting a threshold corresponding to a designated metal type according to the designation on the metal type from the outside.

Abstract: An airborne electromagnetic survey system for geophysical prospecting comprising: a frame with a frame front section opposite a frame tail section, the frame configured to be lifted and towed by an aircraft via a tow arrangement during survey operation, the frame configured to support a transmitter coil configured to transmit an magnetic moment, wherein the frame comprises multiple frame segments, at least one of the frame segments comprising a first connection and a second connection for connecting to another one of the frame segments, a structural support providing a rigid structure between the first and second connections, and a frame segment surface providing the frame segment with an aerodynamic profile, wherein the aerodynamic profile is configured to provide aerodynamic properties to the frame, and wherein when the frame is towed by the aircraft, the frame has substantially a fixed frame shape and is substantially in a fixed operational orientation.

Abstract: A method of determining a concentration of hydrogen sulfide in a fluid comprises exposing a sensor to the fluid, the sensor comprising a pair of electrodes defining a gap therebetween and a sensing material bridging the gap between the electrodes, measuring a value of an electrical parameter of the sensor at an applied frequency of greater than about 10 kHz and a voltage of less than about 1.0 volt when the sensor is exposed to the fluid, and determining the concentration of hydrogen sulfide in the fluid based at least in part on the measured value of the electrical parameter. Related apparatuses and methods are also disclosed.

Abstract: A downhole device may include a closed ring of ferromagnetic material mounted on a conductive pipe. The downhole device may also include a first coil spirally wound around the closed ring comprising an electrically conductive flat metallic strip to substantially cover the closed ring.

Abstract: Devices and methods for a rugged semiconductor radiation detector are provided. The semiconductor detector may include a hermetically sealed housing and a semiconductor disposed within the housing that has a first surface and a second surface opposite one another. A first metallization layer may at least partially cover the first surface of the semiconductor and a second metallization layer may at least partially cover the second surface of the semiconductor. The first metallization layer or the second metallization layer, or both, do not extend completely to an edge of the semiconductor, thereby providing a nonconductive buffer zone. This reduces electrical field stresses that occur when a voltage potential is applied between the first metallization layer and the second metallization layer and reduces a likelihood of electrical failure (e.g., due to arcing).

Abstract: A body scanner system for scanning a person to be scanned is described. Said body scanner system comprises a scan unit which has at least one antenna for emitting electromagnetic waves and a separately formed platform for said person. Said body scanner system comprises a scanning state in which said person stands on said platform during scanning while said scan unit is emitting electromagnetic waves used for scanning said person. Said body scanner system is transportable wherein said scan unit is formed such that said platform is held by said scan unit in a transportation state of said body scanner system. Further, a method for scanning a person is described.

Abstract: An optical link including an optical computing device having an integrated computational element (ICE), and a method for using the device to perform a remote measurement of a characteristic of a sample with the optical computing device are provided. The optical computing device provides an optical computing signal proportional to a characteristic of a sample from an interacted light provided to the ICE. The device includes an optical transducer to provide a modulating signal based on the optical computing signal and a modulator to modulate a first portion of a transmission light in an optical waveguide based on the modulating signal.

Abstract: A fluid sensor cable assembly and method uses one or more conductive bodies extending along an elongated core body for conducting a heating current to heat the cable assembly. The one or more conductive bodies also are configured to conduct an interrogation signal and to conduct reflections of the interrogation signal. One or more optical fibers extend along the length of the core body and include temperature sensitive elements at different locations along the length of the core body. The temperature sensitive elements measure heat flux out of the cable assembly at the different locations subsequent to heating the cable assembly and communicate the heat flux to a computer acquisition system.

Abstract: A system for mapping a thermocline in a body of fluid includes a thermocline detection and monitoring module, a persistent data storage module; and a plurality of distributed sensors, including intelligent sensors, connected with the at least one thermocline detection and monitoring module and the persistent data storage module by one or more control-level programming and communication methods. The thennocline detection and monitoring module can monitor the thermocline at sampling intervals to collect and fuse measurement data from the plurality of sensors to capture thermocline changes as events, correlate measurement data and events, store measurement data in the persistent data storage module along with previously acquired measurement data for comparison and tracking, characterize the thermocline as a function of spatial location, depth, and time, create and maintain reports that describe the thermocline characteristics, status, trends, and provide multimodal notifications of events to different users.

Abstract: Methods and apparatus for surveillance of a downhole environment: the response of least one optical fiber to an acoustic impulse is sampled and processed to provide an indication of the acoustic signals detected by at least one longitudinal sensing portion of the fiber(s). The data comprises data indicative of at least one characteristic of the acoustic impulse and data indicative of the downhole environment. The data indicative of at least one characteristic of the acoustic impulse is used to interpret the data indicative of the downhole environment to provide an indication of at least one characteristic of the downhole environment. For example, the data indicative of at least one characteristic of the acoustic impulse may provide a ‘signature’ of the impulse, which may be used to deconvolve the data indicative of the downhole environment to provide an indication of at least one characteristic of the downhole environment.

Abstract: A remote location monitoring system, for example, a home monitoring or weather monitoring system may include one or more sensors and/or receivers at a first location such as a residence or business to be monitored. The sensors and receivers may communicate with a remote central server via a gateway device and the detection data received from the sensors and receivers may be displayed via display circuitry coupled to a processor of the gateway device. The sensors, receivers, and gateway device may be controlled by users locally or remotely via the server. Users may register to receive remote notifications of weather events and other home monitoring events. Users may also access remotely sensors and receivers to configure alerts, notifications, and automatic responses for the devices and integrated appliances at the first location.

Abstract: The present invention is related to a method for preparing VIB Group metal oxide particles or dispersions, wherein the VIB Group metal is tungsten or molybdenum. The methods include: 1) providing precursors of VIB Group metal oxide, reductants and supercritical fluids. 2) said VIB Group metal oxide particles, or dispersions are obtained by the reaction between said metal oxide precursors, and reductants are under supercritical state in said supercritical fluids. Especially, said VIB Group metal oxide can be tungsten bronze, molybdenum bronze, or tungsten and molybdenum bronze which can be present by the formula AxByMOz. Wherein, A represents element exists in the form of dopant cation; and B represents element exists in the form of dopant anion; O represents oxygen; 0?x?1, 0?y?1, 0<x+y?1, and 2?z?3.

Abstract: An optical element having a substrate and a light-shielding film on part of an outer portion of the substrate further contains a coating on the light-shielding film, the coating containing a cured mixture of a melamine or benzoguanamine resin, and a phenolic resin, in proportions by mass of 1:5 to 7:5.

Abstract: A panel assembly includes a transparent cover, a display module, a decorative layer, and a Fresnel lens structure. The transparent cover has a lower surface. The display module is disposed under the lower surface. The decorative layer is disposed on the lower surface. The Fresnel lens structure is located above the display module. Besides, an electronic device includes a frame, a housing, and the above panel assembly, and the housing and the panel assembly are installed in the frame.

Abstract: A light emitting device includes a casing, a light blocking member, and a light emitting unit. The light blocking member is disposed within the casing, and is adapted to block an ambient light incident into the casing. The light emitting unit is disposed within the casing.

Abstract: A wavelength conversion sheet includes a phosphor, and one or more barrier films that seal the phosphor. At least one of the barrier films includes a coating layer having an optical function. The coating layer is provided to a surface of the barrier film.

Abstract: An apparatus and a camera system are provided. The apparatus includes an imaging screen configured to diffuse incoming light, and a lens system coupled to the imaging screen and configured to focus light from the imaging screen onto a CMOS image sensor. The imaging screen includes a ceramic diffuser layer fused into a surface of a glass substrate, and a thickness of the ceramic diffuser layer is within a range of about 7-10 ?m.

Abstract: Diffractive waveplate lenses, devices, systems and methods of fabricating and manufacturing lenses for correcting spherical and chromatic aberrations of diffractive waveplate lenses and refractive lenses, by using nonlinear patterning of anisotropy axis of birefringent layers comprising the diffractive waveplate lenses, and their combinations and for obtaining polarization-independent functionality of diffractive waveplate lenses.

Abstract: The present invention provides a polarizing plate comprising a substrate, a polarizing coating layer formed on one side of the substrate, a first adhesive layer formed on the polarizing coating layer, a first retardation coating layer formed on the first adhesive layer, a second adhesive layer formed on the first retardation coating layer, a second retardation coating layer formed on the second adhesive layer, and a soft layer formed on the second retardation coating layer, wherein, the soft layer has an amended toughness of 1,000 to 40,000 MPa·%. The polarizing plate according to the present invention has excellent bending resistance and thus can be effectively used for a flexible display.

Abstract: A light conversion member having excellent reliability and white balance characteristics, and a backlight unit and a display device including the same are provided. The light conversion member according to the present disclosure includes at least one light conversion layer including quantum dots and at least one band-pass filter which reduces transmittance of light having a wavelength band of 480 nm or more.

Abstract: An illumination device includes: an optical fiber, the optical fiber allowing light emitted from a light source to be introduced at a first end portion thereof and to be guided through the optical fiber while emitting a portion of the light through a side surface of the optical fiber; a light-transmissive tube, the light-transmissive tube covering the side surface of the optical fiber such that a gap is located between the tube and the side surface of the optical fiber; and a light-shielding cap covering a second end portion of the tube at a side opposite the light source such that a space is located between a bottom portion of the cap and the second end portion of the tube. A second end portion of the optical fiber projects past the second end portion of the tube and is located at an inner side of the cap.

Abstract: A light-emitting apparatus includes: a first light guide which includes a first photoreceptor, a second photoreceptor, and a leak, the first light guide guiding light radiated by a radiation apparatus and received by the first photoreceptor and the second photoreceptor, the leak allowing leakage light to be leaked out, the leakage light being part of the light; a converter which converts a wavelength of the leakage light leaked out of the first light guide; a second light guide which is disposed along the first light guide, the second light guide guiding the light radiated by the radiation apparatus and received by a third photoreceptor to the second photoreceptor; and a protector which is tubular and in which the first light guide and the second light guide are disposed such that the first photoreceptor and the third photoreceptor are disposed at a same open end.

Abstract: The present invention provides a backlight module. The backlight module includes a plastic frame, a backlight source and a light guide plate. The backlight source and the light guide plate are received in the plastic frame. The light guide plate includes a light incident surface and a light emitting surface. The backlight source includes a circuit board, a reflecting collimator lens fixed to the circuit board and a LED lamp disposed inside the reflecting collimator lens. The reflecting collimator lens includes a parabolic reflecting surface, and the LED lamp is located at a center location of the parabolic reflecting surface. The light incident surface is covered with a color polarizing layer, and the parabolic reflecting surface faces toward the color polarizing layer. The present invention also discloses a display device.

Abstract: A backlight module has a light guide part, a light source, a reflection part, a grating, a prism sheet, a diffuser, a wavelength-conversion material, and a reflection layer. An incident surface of the light guide part is located on a lateral side between a bottom surface and a top surface. The light source is disposed on a side of the incident surface. The reflection part is disposed along the bottom surface. The grating is disposed along the top surface, and has bright zones and dark zones disposed with an equal pitch. A surface, next to the grating, of the prism sheet has micro structures. An angle is formed between a first wall and a second wall of a horizontal cross-section of a micro structure. The diffuser has a cave to enable the wavelength-conversion material to be disposed therein. The reflection layer is formed at a flat portion of the diffuser.

Abstract: A planar illumination apparatus according to an embodiment includes a light source and a light guide plate. The light source includes a light emitting diode and a wavelength conversion material that is excited by light emitted from the light emitting diode so as to emit light, and emits white light. The light guide plate includes an incident end surface on which the light source is disposed, and an emission surface that emits light incident from the incident end surface. The light guide plate is provided with a light scattering unit on at least one of the emission surface and a rear surface opposed to the emission surface. The light scattering unit mainly scatters light emitted from the light emitting diode than light emitted from the wavelength conversion material.

Abstract: A front light module includes a light guide plate, a light source and a light redirection film. The light guide plate includes a light incident surface, an inner light outgoing surface and an outer light outgoing surface. The light incident surface is adjoined between the inner light outgoing surface and the outer light outgoing surface. The light source is configured to emit light into the light incident surface of the light guide plate. The light redirection film is located beside the inner light outgoing surface, and is configured to redirect a traveling direction of the light from the light guide plate. An acute included angle between the light after redirected and a normal line of the inner light outgoing surface is less than an acute included angle between the light before redirected and the normal line of the inner light outgoing surface.

Abstract: Disclosed is a device for transporting light, comprising at least two light pipes and at least one connection part, the at least two light pipes and the at least one connection part are molded with same material as a single component, each connection part includes two constitution parts for connecting to two adjacent light pipes, each constitution part has a larger polygonal base, a smaller polygonal base and at least three surfaces connecting the larger polygonal base to the smaller polygonal base, two larger polygonal bases of the two constitution parts connect to the two adjacent light pipes and two smaller polygonal bases of the two constitution bases connect to each other, wherein for each constitution part, at least one surface, whose inner faces incident direction of light within its connecting light pipe, inclines towards the larger polygonal base.

Abstract: A planar lighting device includes: a board that includes a strip-shaped section, and an external connection section, which protrudes from the central part of the strip-shaped section in a lateral direction of the strip-shaped section, and that is provided with an installation surface; and light source units that are provided with a plurality of light sources connected in series, that are each provided with a first electrode and a second electrode on both end sides, and that are arranged side by side on the installation surface at the strip-shaped section of the board in a longitudinal direction. Furthermore, the single external connection section is provided for the light source units, and the first electrodes in all the light source units, related to the single external connection section, are located farther from the external connection section than the second electrodes in the light source units.

Abstract: According to one embodiment, a container case accommodating an optical member includes a bottom wall, sidewalls provided to stand along side edges of the bottom wall, and flanges extending from the sidewalls. The container case is formed of a reflective sheet or reflective film.

Abstract: A backlight module, a method of assembling the backlight module, and a display device are disclosed. The backlight module includes a fixing frame that has a light exit and a side plate provided with a first opening; an optical unit that is inserted into the fixing frame through the first opening and has a light emitting side opposite to the light exit; and a sealing piece that is engaged with the first opening to close the first opening. Embodiments of the present disclosure can reduce the manufacture difficulty and also material cost of the backlight module.

Abstract: A luminous cup-shaped body includes a light-permissible cup (10), a power supply module (20) and a lighting unit (30). The light-permissible cup (10) has a base (11) and a ring body (12) extending from the base (11). The light-guiding structure (122) is formed on a surface of the ring body (12). The power supply module (20) is fixed on the base (11). The lighting unit (30) is correspondingly installed on the base (11) and electrically connected to the power supply module (20). Thereby, the light-permissible cup (10) can be completely equably lit up.

Abstract: Methods and systems for partial integration of wavelength division multiplexing and bi-directional solutions are disclosed and may include, an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (PLC). The silicon photonics integrated circuit may include a first modulator and first light source that operates at a first wavelength and a second modulator and second light source that operates at a second wavelength. The transceiver and PLC are operable to modulate a first continuous wave (CW) optical signal from the first light source utilizing the first modulator and modulate a second CW optical signal from the second light source utilizing the second modulator. The modulated signals may be communicated from the modulators to the PLC utilizing a first pair of grating couplers in the IC and combined in the PLC.

Abstract: An apparatus includes an input radio frequency waveguide. The apparatus includes a radio-frequency-to-optical-radio-frequency-impedance-matching interface communicating with the input radio frequency waveguide. The apparatus includes a plurality of optical modulators communicating with the radio-frequency-to-optical-radio-frequency-impedance-matching interface. The apparatus includes a plurality of respective optical waveguides communicating with the plurality of optical modulators. The plurality of respective optical waveguides in operation includes a plurality of respective optical waveguide fields. The input radio frequency waveguide in operation includes an input radio frequency waveguide field. The input radio frequency waveguide field interacts with the plurality of respective optical waveguide fields to convert an input radio frequency signal into a plurality of optical signals.

Abstract: A semiconductor device includes: a first substrate; a surface insulating film formed over an upper surface of the first substrate; a BOX layer formed over the surface insulating film; an optical waveguide made of an SOI layer formed on the BOX layer; and a first interlayer insulating film formed over the BOX layer so as to cover the optical waveguide. The semiconductor device further includes: a trench formed in the surface insulating film and the first substrate below the optical waveguide; and a cladding layer made of a buried insulating film buried in the trench. A thickness of the BOX layer is 1 ?m or less, and a distance from an interface between the optical waveguide and the BOX layer to a bottom surface of the trench is 2 ?m or more.

Abstract: Good optical properties can be achieved in an optical waveguide made of polycrystalline silicon. A semiconductor layer that constitutes each of a first optical signal line, a second optical signal line, a grating coupler, an optical modulator, and a p-type layer of a germanium optical receiver is formed by a polycrystalline silicon film. Crystal grains of polycrystalline silicon exposed on an upper surface of the semiconductor layer include crystal grains having flat surfaces parallel to a first main surface of a semiconductor substrate, and crystal grains of polycrystalline silicon exposed on side surfaces (including side surfaces of a protrusion of a protruding portion) of the semiconductor layer include crystal grains having flat surfaces perpendicular to the first main surface of the semiconductor substrate.

Abstract: A solar cell includes a waveguide core for receiving light, a first layer formed on the waveguide core, a second layer formed on the first layer, a third layer formed on the second layer, first metalization coupled to the first layer, and second metalization coupled to the third layer. The first layer comprises a first optical film which varies in an index of refraction in a lateral direction between a first input end where the light is received and a first output end where the light is emitted. In some embodiments, wherein one or more of the first, second, or third layers has a tapered lateral thickness. In some embodiments, the first, second, and third layers form a PIN device. In some embodiments, the waveguide core has a first index of refraction that is lower than respective indexes of refraction for the first, second, and third layers.

Abstract: The invention relates to a planar-optical element having at least one photonic component, which is arranged in at least one substrate containing or consisting of at least one polymer, wherein the substrate includes at least one first film layer having a first side and an opposite second side and a second film layer having a first side and an opposite second side, wherein the first side of the second film layer is arranged on the second side of the first film layer and at least the second film layer contains nanowires, at least in a subarea. The invention also relates to a corresponding sensor element and a method for the production thereof.

Abstract: A photonic integrated circuit having discrete optical components arranged on a top side of a substrate includes a first and second optical sources respectively configured to emit light beams, a first interferometer having a first and second input ports respectively coupled to the first and second optical sources via first waveguides, a second interferometer configured to receive signals from the first interferometer via second waveguides and combine the signals to transmit a combined signal via a third waveguide, and a submount configured to contact a back side of the substrate, wherein the submount includes a first thermal conductor having a first thermal conductivity and a second conductor having a second thermal conductivity, wherein the first thermal conductivity is greater than the second thermal conductivity, and the first and second optical sources are more proximity to the first thermal conductor than the second thermal conductor.

Abstract: A method of forming an optical device includes obtaining a wafer having multiple optical device dies that each includes a waveguide. The method also includes forming a facet on the waveguide of different dies. The method further includes separating the dies from the wafer after forming the facets. The dies are separated from the wafer such that the facets are positioned at an edge of the dies.

Abstract: A micro-optical bench device is fabricated by a process that provides control over one or more properties of the micro-optical bench device and/or one or more properties of optical surfaces in the micro-optical bench device. The process includes etching a substrate to form a permanent structure including optical elements and a temporary structure. The shape of the temporary structure and gaps between the temporary structure and permanent structure facilitate control of a property of the micro-optical bench and/or optical surfaces therein. The process further includes removing the temporary structure from an optical path of the micro-optical bench device.

Abstract: An apparatus comprises a substrate comprising a silicon dioxide (SiO2) material disposed on top of the substrate, a silicon waveguide comprising a first adiabatic tapering and enclosed in the silicon dioxide material, and a low-index waveguide disposed on top of the substrate and adjacent to the first adiabatic tapering. A mode converter fabrication method comprises obtaining a mode converter comprising a substrate, a silicon waveguide disposed on the substrate and comprising a sidewall and a first adiabatic tapering, and a hard mask disposed on the silicon waveguide and comprising a silicon dioxide layer, wherein the hard mask does not cover the sidewall, and oxidizing the silicon waveguide and the hard mask, wherein oxidizing the silicon waveguide and the hard mask encloses the silicon waveguide within the silicon dioxide layer.

Abstract: An indexing signal detection module is configured to index one or more signal detectors past each of a plurality of sources of detectable signal emissions to detect or measure a signal emitted by each source. A plurality of signal transmission conduits transmit signal emitted by the sources from a first end of each conduit to a second end of each conduit where the signal may be detected by a signal detector. A conduit reformatter is configured to secure the first ends of the respective signal transmission conduits in a first spatial arrangement corresponding to a spatial arrangement of the signal emission sources and to secure the second ends of the respective signal transmission conduits in a second spatial arrangement different from the first spatial arrangement.

Abstract: An optical adaptor for mounting to a receptacle to optically couple connectorized optical cables comprises an assembly of an optical interface to provide an optical path between a first and a second one of the connectorized optical cables to optically couple the first and the second connectorized optical cable. The optical adaptor further comprises a mounting element formed as a hollow body to mount the assembly of the optical interface. The assembly of the optical interface is configured to be insertable in the hollow body of the mounting element. The mounting element is configured to mechanically couple the first connectorized optical cable to the mounting element so that the first connectorized optical cable is optically coupled to the optical path.

Abstract: A fiber optic connector includes a connector sub-assembly having a connector body, a latch arm extending outwardly and rearwardly from a portion of the connector body, a housing in which a rear portion of the connector sub-assembly is received, and a trigger extending outwardly from the housing and over the end of the latch arm. An end of the latch arm can be depressed toward the connector body, and the trigger is configured to flex toward the housing to depress the latch arm. The connector includes a locking member movable between a rearward position in which the locking member prevents the trigger from depressing the latch arm, and a forward position in which the locking member allows the trigger to depress the latch arm.

Abstract: Disclosed is a fiber inserting apparatus comprising: a fiber clamp; a ferrule clamp opposite to the fiber clamp; and a clamp control controlling relative movement of the fiber clamp and the ferrule clamp on the rails, wherein a fiber inserting operation is performed based on the relative movement towards each other between the fiber clamp and the ferrule clamp. The fiber inserting apparatus may further comprise a straightening section comprising a chamber, elongated slots extending in a fiber inserting direction, a first drive for driving the chamber in a first direction so that the elongated slots move close to and away from the end of the bare fiber, and a second drive driving the chamber to move backwards and forwards in the fiber inserting direction, wherein the elongated slots are in communication with the chamber and a pressure in the chamber is smaller than that in the elongated slots when inserting the fiber.

Abstract: Connectors and a duplex clip for forming duplex connector assemblies are provided herein. The connector includes a rigid latch member for positive locking with another component, such as an adaptor. The duplex clip is configured to hold two connectors to form a duplex connector assembly.

Abstract: An optical module includes a first optical block (OB) which is mounted on a substrate and a second OB which holds an optical fiber. When orthogonal X and Z directions are parallel to a substrate surface and a direction orthogonal thereto is a Y direction, the first OB includes a base part and two extending parts which extend in the Z direction. The second OB is configured to be accommodated between the two extending parts from the upper side of the Y direction and to be moved in the Z direction between the two extending parts. Positioning parts for positioning the second OB with respect to the first OB in the X and Y directions are formed on the second OB. An extending direction of the optical fiber held by the second OB is the Z direction and a light traveling direction between the base part and the second OB is the Z direction.

Abstract: Provided is an optical transceiver module having a dual band pass WDM coupler embedded therein, wherein the dual band pass WDM coupler provides pass bands for selectively passing a transmission signal output from an optical transmitting unit, and an optical signal having a specific wavelength received by an optical receiving unit among optical signals input through a common port. According to the present invention, a size and cross-talk of the optical transceiver module may be reduced, and the optical transceiver module may be used as a video transceiver in an optical subscriber network according to an ITU-RG.983.3 standard.

Abstract: An optical receptacle includes: an optical receptacle body; two supporters which are connected to a respective end of the optical receptacle body, wherein each supporter is connected to one end of the optical receptacle body at a central portion of the respective supporter, and the two supporters face each other with a space therebetween; and four adhesive reservoirs which are disposed at respective four corners of the optical receptacle in plan view, wherein each of the adhesive reservoirs is a through hole or a recess, and the through hole or the recess is surrounded circumferentially by the supporter. The optical receptacle body and the two supporters together have a plane symmetrical shape with respect to a plane parallel to an optical axis of the light emitted from each of the second optical surfaces. The four adhesive reservoirs are disposed plane symmetrically with respect to the plane.