Abstract: The present invention provides an optical transceiver that has an optical semiconductor device coupled to an optical fiber via an optical connector attached to an end of the optical fiber. The optical transceiver comprises at least one optical subassembly including the optical semiconductor device, an optical receptacle, a substrate, a frame and a cover. The optical semiconductor device optically couples to the optical fiber by mating the optical connector with the optical receptacle. The frame installs the optical subassembly, the optical receptacle, and the frame. According to the present invention, the optical receptacle is optionally positioned to the frame, so mechanical stress induced therebetween may be relaxed.

Abstract: A device and method of blocking customer access to a fiber optic distribution cable. A service blocker is positioned between a fiber distribution cable and a customer drop cable within a fiber optic adapter. The service blocker includes a unitary body which does not permit optical transmission between the fiber distribution cable and the customer drop cable. The service blocker includes a first end configured to be inserted within the fiber optic adapter and a second end configured receive a fiber optic cable connector. A system for mounting fiber optic cables including a service blocker positioned within a bulkhead mounted adapter between two fiber optic cables.

Abstract: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a front opening of the housing at a mounting location positions the connector of the module for insertion into and mating with the adapter of the housing. The adapters within the interior of the housing are integrally formed as part of a removable adapter assembly. A method of mounting a telecommunications module within a chassis. The modules include a connector mounting bulkhead which is moveable relative to the module to allow connector access.

Abstract: In one embodiment, a fiber assembly is provided. The fiber assembly has a first fiber having at least one core. The core has a length, a first end, and a second end, and light may be transmitted along the core. The second end has an obtusely angled end surface. The assembly also has a second fiber having at least one core having a first end. Light may be transmitted along the core. The second end of the first fiber is optically coupled to the first end of the second fiber such that light emitted from the first fiber may be transmitted to the second fiber.

Abstract: The expanded beam, single fiber, fiber optic connector includes a lens holder, a lens, and a ferrule. The lens holder retains the lens, and the lens holder accommodates the ferrule. The lens is in optical communication with an optical fiber retained in the ferrule. The lens holder has an outside diameter that is substantially the same as the outside diameter of a ferrule of a physical contact, single fiber, fiber optic connector, such as one of an LC, SC, FC, and ST style or standard fiber optic connectors.

Abstract: A ruggedized fiber optic connector assembly includes a substantially hollow plug housing; and a glue body disposed within the substantially hollow plug housing; wherein the glue body includes a first portion that is configured to engage and retain an optical cable comprising an optical fiber and one or more strength members; wherein the glue body includes a second portion that is configured to engage and retain a connector sub-assembly comprising an optical ferrule; wherein the second portion of the glue body includes a pair of opposed snap hooks that are configured to engage a corresponding pair of opposed recesses of the connector sub-assembly; and wherein the optical fiber and the optical ferrule are optically coupled.

Abstract: A multimedia patching box including a generally rectangular housing. The housing includes a first wall positioned opposite from a second wall. The housing also includes opposing third and fourth walls that extend between the first and second walls. A panel is mounted adjacent the front of the housing. The panel is mounted to pivot about a pivot axis between an open position and a closed position. The pivot axis is located adjacent to the third wall of the housing and extends generally along the third wall of the housing. A plurality of multimedia connectors are mounted on the panel. The housing defines at least one cable access opening defined through at least one of the first and second walls at a location adjacent the third wall. A cable management structure is connected to the back side of the panel. The cable management structure defines a cable guiding channel that extends generally along the pivot axis of the panel and generally aligns with the at least one cable access opening.

Abstract: An apparatus and method for coupling and decoupling optical leads while preventing twists or kinks in the optical leas as well as back reflections with the apparatus including an a rotatable optical coupler and a non-rotatable optical coupler.

Abstract: Disclosed is a method for removably connecting two groups of individual, parallel fibers that are delimited by end faces that are perpendicular to the fiber axis. The two groups of fibers are moved towards each other in an axial direction until each of the fibers abuts against the end face of the assigned fiber from the other group. The fibers of the two groups are aligned in pairs relative to each other before being moved into contact with each other, and any differences in fiber lengths is compensated for by elastically deforming the fiber along the fiber main axis. This method eliminates the disadvantages associated with bending the fibers because length variations are essentially compensated for by axially compressing the fibers.

Abstract: In one aspect, a connector is described. The connector comprises a plurality of optical fibers, at least two MT fiber optic connectors, communicatively coupled to one another utilizing the plurality of optical fibers, each MT fiber optic connector comprises a mating end. The connector further comprises a connector body formed around the MT fiber optic connectors and the plurality of optical fibers, said mating ends of the MT fiber optic connectors accessible from opposite ends of the connector body.

Abstract: A protection system for a fiber optic coupling having a first housing with a guide slot in a side wall includes a protective cap with a slot in a side wall and defining a passage for receiving the first housing whereby the protective cap slot aligns with the guide slot in the first housing and a protective shutter pivotally connected to the protective cap for covering a distal end and guide slot of the fiber optic coupling.

Abstract: An optical transmission module is disclosed that comprises an optical element having an optical path formed therein, optical connection parts respectively arranged on both sides of the optical element so as to connect the optical element to plural optical fibers, and reinforcement parts. The reinforcement parts are applied to a part of or an entire circumference of respective connected portions between the optical element and the optical connection parts, and then cured to reinforce connections between the optical element and the optical connection parts.

Abstract: An optical element (3) is mechanically retained within a slot of (2) in a rigid substrate (1), e.g. of a ceramic or crystalline material, by contact with the sides of the slot. Where the difference between a dimension of the optical element and the slot width at ambient temperature is a very small and positive, it may be removed by heating the substrate and/or cooling the element (differential thermal expansion) to allow insertion of the element. Then the temperature difference is removed so that the element is mechanically retained under compression by the slot sides. Alternatively, where the element may be directly inserted so that it is in contact with or immediately adjacent the slot wall, the material of the substrate and/or the optical element is the oxidized in the region of contact so as to increase the dimension of the oxidized material and mechanically retain the element.

Abstract: In an optical connector having a housing defining an area surrounding a connection axis of the optical connector, the housing has a pair of slits spaced from each other and defining an elastic portion therebetween. A protruding portion protrudes from the elastic portion outward in a radial direction of the housing. A mounting portion is faced to the protruding portion with a space left therebetween.

Abstract: Exemplary embodiments include an improved connector for a fiber-optic cable including: a fiber-optic conductor disposed in a center portion of the fiber-optic connector; one or more flexible end portions disposed on an outer portion of the fiber-optic connector; a swab disposed on an inner surface of at least one flexible end portion; wherein the swab contacts and cleans the fiber-optic conductor when the improved connector is attached to a receptacle.

Abstract: An optical connector comprises a clamp member holding an optical fiber, a first housing to which the clamp member is fixed, and a second housing fitted to the first housing. The first housing has an aligning portion for aligning and positioning the optical fiber, and a clamp holding portion holding the clamp member. The optical fiber has an end portion protruding forward from the aligning portion in a cantilevered state.

Abstract: A field installable optical fiber connector is provided, the connector including an inner housing defining an interior passageway extending longitudinally between a forward end and a rearward end, a first connector subassembly inserted through the rearward end of the inner housing into the interior passageway thereof. In one embodiment, the first connector subassembly includes a ferrule holder having a ferrule disposed within the ferrule holder, and an optical fiber stub disposed within the ferrule. In another embodiment, the first connector subassembly also includes a flange disposed at a first end of the ferrule holder, a spring element and a spring element retainer slidably mounted on the ferrule holder, and a collar mounted on a second end of the ferrule holder so as to capture the spring and the spring element retainer between the flange and the collar.

Abstract: Optical connector assemblies suitable for use in harsh environments such as down hole oil and gas well applications and methods for fabricating the same are provided. In one embodiment, an optical connector assembly suitable for down hole oil field applications comprises a first and second optical waveguide urged by a biasing member against a bracket. Each of the waveguides has at least one base surface formed on the exterior of the waveguide that is disposed against at least one of a plurality of reference surfaces of the bracket. In another embodiment, flats comprise two of the base surfaces on each optical waveguide.

Abstract: An optical ferrule is provided with a ferrule body having a front face and at least one covering applied to the front face to protect the front face of the ferrule from a laser beam used during a trimming process. The optical ferrule may also have a second covering disposed between the front face of the ferrule and the first covering to assist in adhering the first covering to the optical ferrule. A method is also provided for applying the first covering or the first covering and the second covering to the front face of the ferrule. A method is also provided for trimming, and in particular, ablating portions of one or more optical fibers that protrude beyond the front face of the ferrule.

Abstract: There is provided an optical connector device which prevents leakage of light until right before connectors are connected to each other and is small-sized by a reduction in space for housing shutters. The optical connector device is an optical connector device comprising a first optical connector and a second optical connector. When shutters for shutting out light from the optical connectors are collided with each other, the shutters move to positions where they do not shut out the light. Therefore, the first optical connector and the second optical connector are connected to each other. After moving, the shutter of the first optical connector and the shutter of the second optical connector are inserted into the second optical connector while remaining contacting each other.

Abstract: The optical receptacle according to the present invention is attached to a printed board and an optical plug can be connected thereto. The optical receptacle comprises a tubular main housing and a socket housing which is inserted into and attached to the main housing. The main housing has an elastic locking part which protrudes from the outer circumference surface and locks onto the printed board, and the socket housing has a locking slotted pin which protrudes from the outer circumference surface and locks onto the printed board. This optical receptacle is attached to the printed board after the two pieces, the main housing and the socket housing, are assembled. As a result, the construction of the optical receptacle can be simplified because ground pins become unnecessary. Additionally, the optical receptacle can be easily attached to a printed board because it does not have to be welded onto the printed board with the ground pins.

Abstract: A method includes providing a light pipe having a metallized end surface, and soldering the metallized end surface of the light pipe to a surface of a substrate. Other embodiments are described and claimed.

Abstract: An optical fiber coupling assembly is provided herein for the coupling of at least a pair of fiber cables. A connector is installed to an end of a fiber cable. The connector is then inserted into a through channel of a coupler. A spring-loaded latch inside the through channel is used to force the cores of the fiber cables to be tightly joined together, reducing the power loss of the light signal transmission over the pair of coupled fiber cables. The coupling assembly is structurally simple, has a smaller form factor, and is able to increase installation efficiency and reduce production cost.

Abstract: For connecting an optical fiber having a fiber axis and an axial end portion provided with a chamfered surface having a predetermined angle with respect to the fiber axis, the optical connector includes an aligning member and a holding plate. The aligning member has a principal surface and a side surface adjacent to the principal surface. The aligning member has a fiber-receiving groove for receiving the axial end portion of the optical fiber. The fiber-receiving groove extends along the principal surface in a predetermined direction and has end portions each opening on the side surface. The holding plate is faced to the principal surface and covers the fiber-receiving groove. The holding plate has a first slant surface beside one of end portions of the fiber-receiving groove. The first slant surface has an angle with respect to the principal surface. The first angle is determined smaller than the predetermined angle.

Abstract: An optical connector apparatus includes a first and a second optical connector which are optically connectable to each other. The first optical connector includes a first connector body, a first light shielding device fitted to the first connector body in a first fitting direction, and a first guide portion coupled to the first light shielding device to guide fitting of the first light shielding device to the first connector body. The first guide portion has a first dimension in the first fitting direction. The second optical connector includes a second connector body, a second light shielding device fitted to the second connector body in a second fitting direction, and a second guide portion coupled to the second light shielding device to guide fitting of the second light shielding device to the second connector body. The second guide portion has a second dimension in the second fitting direction. In the optical connector, the second dimension is determined greater than the first dimension.

Abstract: A fibre optic connector assembly includes first and second parts (1, 2) that can be physically connected together and separated from one another. Each connector part (1, 2) including a plurality of fibres (3, 4), each for optical connection to a respective fibre of the other part. A housing (8) is provided within the assembly, the housing defining a plurality of passageways for housing respective optical connections of the fibres (3, 4) of the first and second connector parts (1, 2) and for maintaining the fibres of each each optical connection in alignment. The housing (8) is tethered to the first connector part (1) by an elongate flexible member (15).

Abstract: An optical fiber connecting device has a pair of holding elements which are formed on an actuating member and are capable of undergoing elastic deformation as a sheath holding mechanism for securing, to a body, the sheath portions S of the optical fibers F having uncoated fiber elements C to be held by the fiber-element securing member. The holding elements form a pair of passages for guiding the optical fibers F on the body. The holding elements undergo the elastic deformation accompanying the motion, on the body, of the actuating member for closing the fiber-element securing member, and push and hold the sheath portions S of the optical fibers F in the corresponding passages by utilizing their own elastic restoring forces. Each holding element includes a pressing part formed at a free end separated away from a fixed end part, and an engaging part positioned between the fixed end part and the pressing part.

Abstract: An electronic device with an illuminated nameplate includes at least one light-emitting device, at least one circuit board, at least one casing and at least one opening. In this casing, at least one connector connects with the circuit board. The casing has at least one nameplate. The light emitted by the light-emitting device passes through at least one part of the nameplate. The opening is formed on the nameplate.

Abstract: An optical connector system joining waveguides in two printed circuit boards. A flexible optical conductor is connected at one end to one of the boards. The flexible conductor includes at its free end an alignment structure that provides a separable, low loss interface to an alignment structure coupled to the waveguide on the other board. The ends of the waveguides are enclosed in housings that protect the waveguides from abrasion and contaminates, but expose the waveguides when the connectors mate.

Abstract: Provided is an optical transmission substrate including: a first substrate; an optical waveguide which has clad covering a core and a periphery of the core and extends on an upper surface of the first substrate; a second substrate provided parallel to the first substrate so that a lower surface thereof contacts an upper surface of the optical waveguide; a reflection surface which is provided on a cross section of the core at an end of the optical waveguide and reflects light, which travels through the core of the optical waveguide, toward the second substrate; and a light guide which is provided in the second substrate and guides the light, which is reflected toward the second substrate, toward an upper surface of the second substrate from a position closer to the core than an upper surface of the clad.

Abstract: In an optical connector including an optical connector plug holding a first optical fiber and an optical connector plug holding a second optical fiber, the optical connector plugs cooperates with each other to obtain a connected state in which exposed longitudinal ends of the first and the second optical fibers are brought into contact with each other. The first optical fiber includes a long fiber portion and a short fiber portion higher in breakage resistance than the long fiber portion. One of the longitudinal ends of the short fiber is fused to one of longitudinal ends of the long fiber portion. Another of the longitudinal ends of the short fiber portion is exposed to serve as one of the exposed longitudinal ends.

Abstract: Optical fiber coupler for coupling fiber optic elements includes a first fiber optic element extending in a first direction to position a free end thereof in a selected zone, and a second fiber optic element extending into the selected zone from an opposite direction to position a free end of the second fiber optic element in the zone confronting the first fiber optic element free end. A cured optical grade epoxy resin body defines the zone and envelopes the free ends of the fiber optic elements, to effect physical and optical connection between the first and second fiber optic elements. Once cured, the housing material is removed leaving the completed coupler device. The free ends of the fiber optic elements are in close proximity, or in the case of coupling from one strand to a plurality of strands, in enough of a spaced relation, to permit required light diffusion.

Abstract: A solid light pipe arrangement with reduced Fresnel-reflection losses includes a light pipe with a solid core comprising a polymer. An optically clear substrate has first and second sides with an anti-reflective coating on at least one side. The substrate is adhered to an end-face of the core of the light pipe by adhesive material so as to create an optically clear interface between the substrate and the end-face that passes more than about 96 percent of transmitted light. A preferred method of applying an anti-reflective coating to an end-face of a core of a solid, polymeric light pipe comprises diverting uncrosslinked polymer used for forming a light pipe core, and using the diverted polymer as adhesive material between a substrate with at least one antireflective coating and the end-face of a light pipe having the same polymeric components, in the same proportions, as the diverted polymer.

Abstract: An optical fibre connector includes a connector having a receptacle or socket with a recessed optical fibre ferrule assembly for aligning an optical fibre within the connector. An optical socket has recessed therein a sleeve for receiving and bringing into optical alignment an optical fibre ferrule assembly at an internal end of the socket with a similar optical fibre ferrule assembly of an optical plug connected to the optical socket. The optical connector has a housing with at least two portions that are removably secured to one another. A method of cleaning such a recessed assembley includes removing at least one of said portions from the remainder of the housing. Contamination is then cleaned from the optical fibre ferrule assembly. Then, the the removed portion(s) are reassembled with the remainder of the housing.

Abstract: The invention relates to an adapter of the type where a coupling for glass fiber plug-in connectors is inserted from the front into a front plate and is locked by a spring. The inventive adapter comprises a one-piece or two-piece housing which comprises at least on one side a flange projecting from the cross-section of the housing against which the front plate rests, at least one plug-in connector recess which is disposed on the front end and/or rear end with respect to the front plate, and at least one form-fit detachable locking device for the plug-in connector. Every plug-in connector recess comprises an opening for alternately receiving at least two of three different plug-in connector types LX.5, LC and MU of and one respective locking device suitable for the respective type. The adapter can be configured as a simplex plug-in coupling for alternately receiving all three types, or as a duplex plug-in connector for alternately receiving the plug types LX.5 and LC.

Abstract: A optical fiber connector cord capable of being detachably attached to a receptacle fixed to an optical apparatus includes an optical fiber having at least one hole which extends along an optical axis, a plug having a fiber hole through which the optical fiber extends and which is capable of being fitted into the receptacle, a first sealing member which is provided on an outer peripheral surface of the plug and which seals a gap between the plug and the receptacle along the outer periphery of the plug, and a second sealing member which seals a gap between an inner surface of the plug's fiber hole and the optical fiber along the outer periphery of the optical fiber, so that holes in the optical fiber are effectively prevented from communicating with the atmosphere. In addition, an optical coupling set includes the optical fiber connector cord and the receptacle.

Abstract: An optical device having: an optical fiber body; a ferrule which surrounds the above described optical fiber body and to which a recess that crosses a coreless fiber within the above described optical fiber has been provided; and an optical element which is provided within the recess in said ferrule, is provided with a protective member for protecting the above described recess, and the protective member has a restriction means for physically restricting the rotation of the optical device around the optical axis.

Abstract: The present invention relates to a technique for intercepting light which is emitted from a connection reception side optical connector which is housed inside a connector hole of a connector housing of a device such as an optical connector adapter or the like using a shutter, and more particularly relates to a development of this technology which makes it possible to arrange the shutter without exerting the negative effect of increasing the size of the connector housing. With the present invention such light interception is implemented, without increasing the size of the connector housing 14, by providing a structure in which a shutter unit is fitted within a connector hole 14a of a connector housing 14, with this shutter unit comprising two shutter leaves 53A and 53B for light interception supported upon shafts in a main section 51 of the assembly.

Abstract: A bipolar optical plug-and-socket connector for connecting two optical fibers with other optical fibers and electro-optical transmission and receiving devices includes an optical housing for holding two fiber end sleeves in which each sleeve terminates a fiber. The optical housing includes first and second housing portions which have different external forms from one another. The housing portions hold respective ones of the sleeves when the sleeves are inserted into the housing portions along a plugging direction. The housing portions join to one another in a direction running perpendicular to the plugging direction to place the optical housing in a fully assembled position while the housing portions hold the sleeves. Each housing portion includes an end lock for locking the sleeves in the housing portions. The end locks of the housing portions lock the sleeve held in the other of the housing portions when the housing portions are joined together.

Abstract: A fiber optic cable is provided with connectors at terminal ends thereof. The connectors are configured to join TOSLINK compatible components together so that the cable can transmit an optical signal therebetween. A fiber of fused silica glass is provided with a plastic cladding material. Ball lenses are located at each terminal end of the fiber to enhance a signal intensity while maintaining signal quality passing through the cable and between the components joined together by the cable.

Abstract: A fiber optic device comprises an optical lens element having a focal length greater than 2 mm, and an optical signal source or receiver mounted at the focal plane of the optical lens element and operative to communicate optical signals with a selectively transparent interference filter through the optical lens element. Methods for the production and use of the fiber optic devices are also disclosed.

Abstract: An optical coupling assembly having an optical receiver that exhibits extended dynamic range, and, more particularly, an optical receiver that is integrated with a Variable Optical Attenuator (VOA) to extend the dynamic range of the receiver.

Abstract: The invention is directed to a connector (10) for connecting optic fibers (12, 13). The connector has a longitudinally extending body (14). The body has a first end and a second end. The body has a pass-conduit (20) extending from the first end to the second end. The body is divided into a plurality of fingers (22, 26) formed by slots (28) that extend longitudinally at each of the first and second ends and many be circumferentially offset from each other by any angel. The connector may be made from material that has a shape memory.

Abstract: The invention provides a compact, inexpensive optical communication module with high product reliability. In particular, the invention can include an optical communication module having a substrate with a through-hole into which an optical fiber can be inserted and removed, a light-transmissive resin film disposed on one side of the substrate and covering the through-hole, an electrically conductive film patterned on top of the light-transmissive resin film, and an optical element connected to the electrically conductive film, positioned with reference to the through-hole, and disposed above the through-hole so that light can be transmitted and received through the through-hole, and, where necessary, encapsulated with a sealant.

Abstract: The present invention provides a compact optic communications module. An optic communications module according to the invention can include a base including a portion defining a through-hole through a first plane to a second plane into which an optical fiber is inserted, a fiber optic piece located on the first plane side in the through-hole and whose axis length is shorter than the distance between the first plane and the second plane, a transparent resin film provided on the first plane of the base so as to cover the through-hole, a wiring film provided on at least one surface of the transparent resin film, and an optical element aligned on the optical axis of the fiber optic piece with the transparent resin film therebetween and coupled to the wiring film.

Abstract: An optical filter module having a multilayered filter inserted in the paths of optical waveguides thereof. In the optical filter module, precise V-shaped grooves are formed on the principle plane of a plane substrate so that optical fibers protrude therefrom. The optical fibers are mounted on the plane substrate. After the multilayered filter is inserted in a filter insertion groove that is formed so as to intersect the V-shaped grooves on the plane substrate, the filter is sandwiched and clamped by two sheets of covers provided on the plane substrate. Provided is a method of precisely mounting the filter that improves the optical axis adjustment between input and output optical fibers and reduces misregistration of the filter to be inserted.

Abstract: Fiber optic connections are accomplished with passive alignment using a modular approach. An improved waveguide substrate has precisely aligned waveguides secured in place, including at an inlet channel, an outlet channel, or both. The waveguides need not extend beyond the face of the inlet or outlet location, and there is no need to have any unsupported fiber optic fibers connect to the waveguide substrate. When provided, a connector module or modules have fiber optic fibers having supported ends which precisely align with the waveguides of the waveguide substrate. Connecting pins typically are provided to insure alignment between waveguides and fibers is easily attained.

Abstract: A light guide for an interconnecting device. The light guide comprises a first section having a Fiber Channel connector disposed therein and a second section having a Fiber Channel receptacle disposed therein. The second section is coupled to the first section. A mirror section is disposed within either the second section or the first section to direct light out the Fiber Channel receptacle.

Abstract: A heat dissipating turret for a fiberoptic illuminator includes first turret component composed of a heat conducting material and a second turret component composed of a heat insulating material. The first turret component is releasably interengaged with the front panel of the illuminator and the second turret component is releasably attached to the first turret component. The turret components include respective interior light transmitting channels that communicate when the components are interengaged. The second turret component includes a receptacle for receiving the end fitting of a fiberoptic cable. Light from the illuminator is transmitted through the communicating channels to the fiberoptic cable and the turret components dissipate heat that is generated at the focal point of the illuminator.

Abstract: A fiber optic coupler comprises a metal tube and a clear hollow silicone insert, with a tapered region including a first set of grabbers and a constant area region including a second set of grabbers. A tapered optical element is coupled to an optical fiber, when both the tapered optical element and the optical fiber are mechanically secured by crimping the metal tube and the silicone insert in the proximity of the first and second sets of grabbers, as by using a standard crimper tool.