Abstract: The present disclosure relates to system and method for cleaning an end face of a bare optical fiber (100). The system and methods include inserting the end face of the bare optical fiber (100) through a layer of material (500) that includes electrospun fibers.

Abstract: An optical fiber connector includes a first surface, a second surface parallel with the first surface, a third surface, and a fourth surface parallel with the third surface. A groove and a fiber hole are defined in the optical fiber connector. The groove includes a bottom surface and a side surface connected with the bottom surface. A distance between the bottom surface and the bottom of the fiber hole is b. The optical fiber connector follows the relationship: d?b??/tg?, a is equal to the length of the optical fiber extending out of the fourth surface, d is equal to the diameter of an optical fiber for being received in the fiber hole, and ? is equal to a half of an angle of a laser which is used to cut the optical fiber.

Abstract: Fiberoptic connector and adapter assembly includes a fiberoptic connector received within an adapter. The connector has a cover on the connector housing. The cover pivots between open and closed positions to expose or cover, respectively, a optical fiber contained within the connector. Longitudinal guides of the connector are received cooperating with longitudinal guides of the adapter to direct the connector into the adapter in a prescribed alignment. A cam pin is carried on the adapter to engage a cam pin receiving slot on the cover to urge the cover to the open position as the connector is inserted into the adapter.

Abstract: An apparatus is provided and includes a housing, a block formed to define an array of holes corresponding to an array of plugs into which connectors with spring loaded sleeves are pluggable such that the block engages with a respective sleeve of each connector, the block being supportively disposed within the housing to be movable with respect to the housing between first and second block positions at which the sleeves are extended and retracted, respectively and a cam lever supported on the housing and coupled to the block, which selectively occupies first and second lever positions at which the cam lever causes the block to assume the first and second block positions, respectively.

Abstract: A fiber optic connector assembly includes a front housing and a rear housing movably coupled to the front housing between retracted and advanced positions. A drive mechanism is coupled to the rear housing that moves the rear housing from the retracted position to the advanced position. Fiber optic connectors are fixedly coupled to the rear housing with a mating end driven with respect to the front housing in a mating direction when the rear housing is moved from the retracted position to the advanced position. Optionally, the fiber optic connector assembly may be side-loaded into position with respect to a fixed connector assembly, and then the fiber optic connector is driven to the advanced position in a direction generally perpendicular to the direction of loading.

Abstract: The invention relates to a multi-core optical fiber ferrule body for hermetic packaging of an optical switch, which comprises a plurality of optical fiber ferrules; the optical fiber ferrules are tubular, the plurality of the optical fiber ferrules are radially closely arranged, and axial lines of the optical fiber ferrules are parallel mutually; and the adjacent optical fiber ferrules are packaged by using glass for realizing fixed connection and sealing. The multi-core optical fiber ferrule body can effectively improve the sealing effect and reduce the packaging cost; the invention provides a brand new large chamber sealing solution for packaging the MEMS (micro-electromechanical system) optical switch, which can realize adjustable coupling of an internal circuit, and external optical input and output ports can realize full sealing of the optical switch in the final packaging, thereby improving the long-term operational reliability of the optical switch.

Abstract: An optical fiber connector assembly includes a female connector, a male connector, and a thin film filter. The female connector includes a first main body and a first lens portion. The first main body and the first lens portion are made of a same polymer material having a lower melting point and higher fluidity than polyether-imide. The male connector is used for insertion into the female connector and includes a second main body and a second lens portion for optically coupling with the first lens portion. The second main body and the second lens portion are made of a same polymer material having a lower melting point and higher fluidity than polyether-imide. The thin film filter is formed on each of the first and second lens portions. A related optical fiber connector is also disclosed.

Abstract: A photoelectric conversion device includes a circuit substrate that has a first concave portion having a light transmission hole, a first metal interconnection that is formed from a bottom of the first concave portion to a face of the circuit substrate where the first concave portion is formed, an optical element that is arranged in the first concave portion so that an optical axis thereof passes through the light transmission hole and is flip-chip bonded to the first metal interconnection on the bottom of the first concave portion, and a circuit chip that is a driver circuit chip for driving the optical element or an amplifier circuit chip for amplifying a signal from the optical element and is flip-chip bonded to the first metal interconnection of the face where the first concave portion is formed.

Abstract: A strain-relief assembly for a field-installable fiber optic connector is disclosed, wherein the assembly includes a ferrule holder, an intermediate sleeve, and a crimp sleeve. The ferrule holder back section holds a buffered section of a fiber optic cable, while the ferrule holder front end holds a ferrule and a splice assembly. A stub fiber is held within the ferrule and the splice assembly so as to interface with a section of field optical fiber protruding from the buffered section. The intermediate sleeve engages and generally surrounds a portion of the ferrule holder back section and thus surrounds a portion of the buffered layer. An intermediate sleeve handler may be used to handle the intermediate sleeve and attached the intermediate sleeve to the ferrule holder back section. Stress-relief strands from the fiber optic cable are flared around the outer surface of the intermediate sleeve. A crimp sleeve is placed over the intermediate sleeve to hold the ends of the stress-relief strands in place.

Abstract: A housing (10) for an optical waveguide ferrule (12), includes first distance elements (22, 28) being determinative for a distance between two adjacently arranged housings (10) and being formed by formations of the housing (10), the first distance elements (22, 28) being located opposite each other with respect to one of a center axis (M) of the housing (10) and the optical waveguide ferrule (12) arranged in the housing (10), and the first distance elements (22, 28) being formed by a pair of first distance elements of a first type (22) and a second type (28) differing from the first type (22).

Abstract: The invention relates to a data transmission cable (10; 20), in particular for motor vehicles, at at least one of whose ends a plastics housing (14; 24) is arranged, said housing having mechanical dimensions in its interface region (30; 32) which conform to the FAKRA standardisation scheme. The data transmission cable (10; 20) has an optical waveguide, wherein a holding member (40) is provided in the plastics housing (14; 24), said holding member being configured for holding an optical imaging element (42) and for connecting the optical imaging element (42) to the optical waveguide.

Abstract: A technique for photonic switching is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for photonic switching. The method may comprise receiving at least one optical signal at a photonic line card, wherein the at least one optical signal comprises one or more wavelength channels and the photonic line card comprises at least one integrated optical switch. The method may also comprise routing at least one of the one or more wavelength channels through the at least one integrated optical switch to a photonic bus, wherein the photonic bus comprises a plurality of optical paths and each of the plurality of optical paths is capable of carrying multiple wavelength channels.

Abstract: A micro lens array has a translucent substrate of glass or the like and convex lenses formed on a principal surface of the substrate. Guide pin insertion holes are formed through the substrate 30 on opposite sides of a line of lenses. A metal layer 38 with at least three metal projections is formed only in an inner wall section of each of the holes by a plating process so as to gradually increase an opening size of the hole at higher positions. The inner wall section has a depth of about 50 to 100 ?m from the opening end on the guide pin insertion side. The metal layer may be omitted. Instead of the metal projections, a metal layer forming the hole having a polygonal shape may be used.

Abstract: A ferrule for connecting a optical fiber to a mating optical fiber or an item of network gear includes a guide hole having a consistent first dimension in a first region and a larger dimension in a second region. A guide or alignment pin inserted through the guide hole forms a locational or sliding fit with the guide hole in the first region and a loose fit in the second region, allowing the ferrule to rock through the angle formed by the dimension of the second region. Rocking the ferrule through this angle closes the lossy air gap formed by end-face tilt resulting from imperfect polishing of the face of the ferrule and decreases insertion loss.

Abstract: A preconnectorized outdoor cable streamlines the deployment of optical waveguides into the last mile of an optical network. The preconnectorized outdoor cable includes a cable and at least one plug connector. The plug connector is attached to a first end of the cable, thereby connectorizing at least one optical waveguide. The cable has at least one optical waveguide, at least one tensile element, and a cable jacket. Various cable designs such as figure-eight or flat cables may be used with the plug connector. In preferred embodiments, the plug connector includes a crimp assembly having a crimp housing and a crimp band. The crimp housing has two half-shells being held together by the crimp band for securing the at least one tensile element. When fully assembled, the crimp housing fits into a shroud of the preconnectorized cable. The shroud aides in mating the preconnectorized cable with a complimentary receptacle.

Abstract: An optical receptacle includes: a fiber stub having a ferrule and an optical fiber in a through-hole of the ferrule; a holder to which an rear end of the fiber stub is fixed; and a sleeve for holding a plug ferrule in front of the fiber stub; wherein a grip ring is provided on an outer side face in which the fiber stub and the sleeve are overlapped to each other, whereby attaining the shortened optical receptacle, and improving connection loss due to tilting of the plug ferrule, and obtaining good repeatability of the connection loss.

Abstract: A fiber optic cable connector and method provides minimal adhesive wicking and eliminates damage to the cladding or coating on fiber optic cables or other damage caused by adhesive wicking. The fiber optic cable connector has a ferrule and a strain relief boot or an overmold flexible material. A flexible adhesive is applied to a cable side of the strain relief boot to cover the fiber optic cables and fill any voids between the strain relief boot and the fiber optic cables. A rigid adhesive is applied to a terminal side of the strain relief boot to fill any remaining voids. The strain relief boot has the same number of openings as the number of fiber optic cables being used to eliminate adhesive wicking. The ferrule can also have the same number of openings as the number of fiber optic cables being used to eliminate adhesive wicking.

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 optical subassembly (“OSA”) for use in optical communications modules is disclosed. The OSA solves various issues related to the insertion and removal of an optical fiber connector into and from the OSA receptacle, including hard plug, wiggle performance, and shavings production. In one embodiment, an optical communications module is disclosed and includes a housing and an optical subassembly of the present invention partially contained within the housing. The optical subassembly includes various components, including a body composed of a first material, and a plug receptacle formed with the body. The plug receptacle includes an inner surface on which surface features, such as threads, are formed. A hollow cylindrical sleeve composed of a second material is received in the plug receptacle such that the outer sleeve surface engages the surface features of the plug receptacle inner surface and such that an optical fiber connector can be received by the sleeve.

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: A connector body is provided that incorporates features for coupling between optical subassemblies. The connector body incorporates internal pin bores between opposing sides and an array of internal bores for carrying optical fibers between the opposing sides. The pin bores are adapted to receive centering pins that penetrate the connector body and facilitate connecting the connector body to a mating substrate one side and to mating optical fibers at the other side.

Abstract: A functional multilayer film and a method for manufacturing the same is provided in which the intervals of fine metallic bodies in the thickness direction and the arrangement thereof in the surface direction are regular, and the fine metallic bodies arranged on each layer are aligned in the thickness direction. A functional multilayer film is obtained by fixing a plurality of fine metallic bodies to a matrix made of a dielectric substance. The matrix is obtained by laminating metal-arranged thin films, which each contain a dielectric thin film having a predetermined thickness and the fine metallic bodies arranged on the dielectric thin film. A plurality of recesses is regularly formed on the surface of the dielectric thin film, and the fine metallic bodies are arranged in the lower parts of the recesses.

Abstract: As a wavelength selection filter, a filter in which dielectric multilayered films are formed on a substrate, an optical fiber grating in which diffraction grating is formed in an optical fiber, and so on, can be used. As another optical demultiplexer 33, as described in Japanese Patent No. 2599876, an arrayed optical waveguide diffraction grating which forms plural optical waveguides having different length of optical paths on the substrate to demultiplex the multiple wavelength light to the respective wavelengths can be used.

Abstract: An optical fiber connector includes a sleeve having a first end surface, an abutment having a second end surface, the abutment being located within the sleeve and axially movable within the sleeve, and at least three balls located between the first end surface and the second end surface within the sleeve for clamping an optical fiber, the balls having centers disposed in a plane and being axially and radially displaceable in the sleeve and biased radially inwardly toward a central axis of the sleeve. At least one of the first end surface and the second end surface includes a conical surface.

Abstract: A connection socket for detachably connecting distal ends of different, thin and thick, endoscopes light guides to a single light source device includes a socket block with a cylindrical aperture accepting a distal end of a light guide in an axial direction and retainer plates pivotally mounted within the socket block around the aperture for holding and retaining a distal end of an inserted light guide, each retainer plate having a peripheral edge facing the aperture that includes first and second retaining edge sections. With a thin light guide, the retainer plates retain the distal end with the first retaining edge sections. When a thick light guide is inserted within the aperture, the retainer plates are pushed and turned by a distal edge of the thick light guide, bringing the second retaining edge sections into close contact with the distal end, retaining the distal end of the thick light guide.

Abstract: A semiconductor laser module includes a polarization direction transforming part which transforms polarization directions of first and second laser beams such that they are orthogonal to each other even if a polarization dependent optical isolator is utilized in the semiconductor laser module. The configuration allows the two laser beams to propagate through the birefringence element to the output port without each splitting into an ordinary ray and an extraordinary ray on entering the birefringence element, and therefore free from decrease of optical power reaching the output port. Thus, high power semiconductor laser modules can be provided.

Abstract: An object of the present invention is to provide an optical connector capable of preventing impairment of PC connections by a hard sleeve during PC connection of optical connectors having a hard sleeve installed in engaging pin holes thereof. The optical connector has a ferrule formed with integrally molded plastic and having engaging pin holes, and a hard sleeve installed in the engaging pin holes and having a hardness that is higher than the plastic of the ferrule. The hard sleeve and the plastic of the ferrule surrounding this hard sleeve are polished so as to be lower than the coupling end surface, and the end of the hard sleeve does not protrude beyond the coupling end surface.

Abstract: A precise fiber array may be formed by employing an array of pins into ones of the resulting interstices of which is inserted and bonded, e.g., glued, a fiber end. Such an array may be made by employing a chuck, at least initially, to tightly hold as an array a group of pins, e.g., metal, ceramic, or plastic pins. Thereafter, a fiber end is inserted and bonded into ones of the interstices formed by the resulting gaps, i.e., the interstices, between the pins. The pins may also be bonded to each other. If so, once the pins are bonded together, the chuck may be removed. The terminating end of the fibers may be polished. Alternatively, previously cleaved terminating fiber ends may be employed, with the various terminating ends being coordinated, e.g., by an optical flat or other surface which is placed at, or adjacent to, the fiber terminating end of the pin array.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: A preassembled multifiber connector is provided that includes a connector housing and a windowless multifiber ferrule that is substantially rectangular in lateral cross-section. The windowless multifiber ferrule can be at least partially disposed within an internal cavity defined by the connector housing to thereby form a multifiber connector that is free of optical fibers. Thus, the multifiber connector is capable of being preassembled prior to inserting the plurality of optical fibers into the optical fiber bores defined by the windowless multifiber ferrule. A corresponding method of preassembling a multifiber connector is therefore also provided according to the present invention. A ferrule is also provided that is capable of being selectively converted from a windowless configuration to a windowed configuration. The ferrule of this embodiment includes a ferrule body that not only defines at least one optical fiber bore, but that also defines a well extending through a side surface of the ferrule body.

Abstract: A precise fiber array may be formed by employing an array of pins into ones of the resulting interstices of which is inserted and bonded, e.g., glued, a fiber end. Such an array may be made by employing a chuck, at least initially, to tightly hold as an array a group of pins, e.g., metal, ceramic, or plastic pins. Thereafter, a fiber end is inserted and bonded into ones of the interstices formed by the resulting gaps, i.e., the interstices, between the pins. The pins may also be bonded to each other. If so, once the pins are bonded together, the chuck may be removed. The terminating end of the fibers may be polished. Alternatively, previously cleaved terminating fiber ends may be employed, with the various terminating ends being coordinated, e.g., by an optical flat or other surface which is placed at, or adjacent to, the fiber terminating end of the pin array.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: A process is provided for creating microstructure coupling guides for aligning photonic devices with optical signal carrying apparatuses. The process includes applying a photoresist to a semiconductor material, spinning the semiconductor material, baking the semiconductor material, exposing the photoresist, baking the semiconductor material a second time, and developing the resist. The process creates a microstructure that acts as an integral guide to align and maintain the relative position between an optical signal carrying apparatus and a photonic device.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: The invention relates to a connector element for optical fiber, said connector element comprising: a ferrule (3) serving to hold a stripped end portion of an optical fiber; a ferrule support (2) having a front end suitable for supporting the ferrule, a rear end (10), and a channel extending from the rear end (10) to the front end and via which the non-stripped portion of the optical fiber can pass through said support (2) so that the stripped end portion of the fiber can be engaged in the ferrule (3); and a body (1) inside which the ferrule (3) and its support (2) are received, said body having a front end for connecting the connector element to another connector element, and a rear end (11) extending beyond the rear end (10) of the ferrule support, when the connector is in the assembled state.

Abstract: A transmitting system consisting of a control apparatus and a target apparatus connected mutually via an IEEE1394 bus wherein unitary data having an isochronous gap for transmission of audio main data and an asynchronous gap for transfer of command data are transmitted between the control apparatus and the target apparatus via the bus. The control apparatus includes a unit for sending an identifier to identify the target apparatus by the use of the asynchronous gap, and also a command to request transfer of a signal level from the target apparatus. The target apparatus includes a unit for receiving the identifier from the sending unit of the control apparatus via the IEEE1394 bus and also the command to request transfer of the signal level of the target apparatus; and a unit for sending an audio signal level in response to the signal-level transfer request command received by the receiving unit. In this system, an output level can be set in and read out from the target apparatus by the control apparatus.

Abstract: An arrayed optical fiber connector for positioning multiple optical fibers to align the end faces of the optical fibers with multiple optical axes at a given input/output face of light is constructed as a board that includes a groove in which the multiple optical fibers are disposed in a given alignment arrangement; a fixing member that is received in the groove and is laid with the multiple optical fibers in a given alignment arrangement; and a fixing plate that is fixed on the surface of the board in which the groove is formed and fixes the multiple optical fibers and the fixing members inside the groove while securing the given alignment arrangement of the multiple optical fibers and the fixing members.

Abstract: An optical connector element having a coupling face for coupling to another optical connector element. It comprises: a ferrule; a ferrule holder co-operating with the ferrule to form a continuous ferrule assembly; a body receiving said ferrule assembly and open on the coupling face end so as to enable said ferrule assembly to be inserted into it; resilient means tending to urge the ferrule assembly inserted into the body so that it is pushed back out of said body; means for preventing the ferrule assembly from rotating relative to the body; and snap-fastening shapes on the ferrule assembly and on the body. The snap-fastening shapes on the body are situated on that side of the resilient means which is closer to the coupling face, and they are mounted on the body in a manner such that they can retract reversibly.

Abstract: An optical fibre connector comprising a hollow cylindrical body 2 having a throughbore 3 with an inner surface 4. A hollow sleeve or carrier 6 in the form of a cylindrical tube having a throughbore 8 fits snugly within the hollow body throughbore 3. The sleeve 6 can receive and releasably retain a pair of optical fibre assemblies 11 which are to be optically coupled to one another by means of the connector. The sleeve 6 accommodates a plurality of discrete individual engagement means in the form of balls 10 in holes around it circumference. The balls 10 protrude through the holes in the sleeve into the throughbore 3, and are free to rotate as an optical fibre assembly moves past them. The optical fibre assemblies 11 are biassed against the balls 10 and thereby against the inner surface of the connector body by resilient biassing means in the form of spring arrangements 14. Each spring arrangement 14 comprises an elongate resilient strip 15 pivoted about its midpoint on a pivot 20.

Abstract: An apparatus includes a device having at least one exposed region. First and second metal seals bond and/or secure with, and surround, the exposed region of the device. An enclosure seals the device between the first and second metal seals. The enclosure has a first substrate and a second substrate, each with end surfaces including a deformable metal layer. The deformable metal layer seals the corresponding surfaces in response to the application of a compressive force and/or energy to the first and second substrates. The enclosure may be constructed to include a cavity, and/or constructed of relative short length. The enclosure may be used to secure to a portion of an optical fiber, fiber optic device and/or device, and/or may be used to encase a portion or all of an optical fiber, fiber optic device and/or device.

Abstract: An optical module including a substrate having a groove; an optical waveguide layer formed on the substrate, the optical waveguide layer including an optical waveguide core having first and second ends, the first end being aligned with the groove, and an optical waveguide cladding covering the optical waveguide core; a ferrule having a through hole; and an optical fiber inserted and fixed in the through hole. The ferrule has a flat cut portion for semicylindrically exposing a part of the optical fiber inserted and fixed in the through hole. The ferrule is fixed at the flat cut portion to the substrate so that the part of the optical fiber exposed to the flat cut portion is inserted into the groove of the substrate until one end of the optical fiber abuts against the first end of the optical waveguide core.

Abstract: A hermaphroditic fiber optic termination device including a plug insert removably insertable into a front of a housing. The housing having locking holes. The plug insert formed so as to receive ferrules surrounding terminal ends of the optical fibers. The plug insert having spring latches, where each spring latches has a nub. The nub feature being designed so as to spring into the locking holes of the housing.

Abstract: An alignment sleeve for precisely aligning a pair of ferrules, such as a pair of multifiber ferrules, is provided along with an associated assembly method. The alignment sleeve includes a sleeve member defining a lengthwise extending cavity opening through opposed ends thereof. The sleeve member can also define at least one window and, more commonly, a plurality of windows opening into the cavity. The alignment sleeve also includes a guide pin extending lengthwise through the cavity and a guide pin engagement member extending at least partially into the window defined by the sleeve member. The guide pin engagement member is bonded, such as by welding, to the guide pin such that the guide pin is retained in a floating relationship within the sleeve member. The sleeve member can also define an expansion window to accommodate expansion of the guide pin that is creating during welding of the guide pin.

Abstract: A method is disclosed for fabricating a connector ferrule for a fiber optic ribbon cable which includes a plurality of generally parallel optical fibers in a line. A ferrule body is provided with a fiber passage which is elongated in cross-section to receive the line of optical fibers. A jacket is removed from an end portion of the fiber optic ribbon cable to expose the line of optical fibers. The ferrule body is placed in a fixture. The cable is placed in the ferrule body with the exposed line of optical fibers located in the fiber passage, and with distal ends of the exposed fibers projecting outwardly of the ferrule body. The exposed distal ends of the fibers are located on the fixture to precisely align the fibers relative to each other in the fiber passage. A filler adhesive is applied in the fiber passage about the exposed fibers to fix the fibers in the fiber passage while the fibers are held by the fixture in their precise alignment.

Abstract: The present invention provides an improved fiber optic holding fixture for an optical interferometer, which can be used with a connector ferrule or a combination of an optical fiber end surrounded by a connector ferrule. The fiber optic holding fixture comprises a holding plate suitable for use in an optical interferometer, with a holding means for holding a prepared end of an optical fiber connection in a precision, repeatable orientation, with reference to a reference surface. The holding means comprises a vee-shaped groove in the holding plate which provides contact on two points of the circumference of a connector ferrule, as is known to the art. The improvement comprises a clamping means integrally formed within the holding plate which cooperates with the holding means.

Abstract: A connector for an optical fibre comprises a body which receives a male connector having a conduit termination and a lens-fibre cell. A rotatable sleeve on the body serves via a slipper to move a first floating ball radially inward to clamp the lens-fibre cell against a V-bar or other support and, simultaneously, to move a plurality of angularly spaced floating balls to axially clamp the conduit termination. A ratchet is provided to avoid disconnection other than in a controlled manner by release of a locking collar.

Abstract: An optical connector ferrule of this invention includes a holding portion arranged at a position along an inserting direction of optical fibers to constitute a front surface of the ferrule and having a plurality of first through holes for inserting the optical fibers therethrough and two second through holes for inserting guide pins, the holding portion holding portions of the optical fibers near distal ends thereof, the second through holes and the first through holes having central axes that are substantially parallel to each other, and the first through holes being arrayed in two rows in a direction connecting centers of the second through holes; and an optical fiber tape accommodating portion having an insertion opening for inserting therethrough optical fiber tapes having the optical fibers held by the holding portion, an internal space for partially accommodating the optical fiber tapes, and an injection opening for injecting therethrough an adhesive for adhering and fixing the inserted optical fiber ta

Abstract: A connector using an multi-fiber ferrule, such as the MT ferrule or similar ferrule, that can be plugged into and received by an optical receptacle. Multiple alignment features help align and mate the connector to another multi-fiber object. The connector has a guide prong or forward extension beneath which is mounted the ferrule. The prong provides a reference surface that functions as a precise pre-alignment mechanism for the ferrule. Also, the prong has a groove that mates with a corresponding rail of the receptacle when the connector is plugged into the receptacle ensuring that the connector is properly seated within the receptacle. Further, the ferrule has apertures that align with and receive guide pins of the lightguide means or active device.

Abstract: The ferrule for optical connector according to this invention comprises a first grip portion having first through holes for insertion of optical fibers and gripping part of said optical fibers apart a predetermined distance from the distal ends of optical fibers; a second grip portion arranged along the insertion direction of optical fibers together with the first grip portion and opposed to the first grip portion through a first space. The second grip portion has second through holes for the optical fibers set through the first through holes to be further introduced therethrough, and grips the vicinity of the distal ends of optical fibers; and a pedestal portion projecting from a surface of the first grip portion.

Abstract: The invention is an improved optical fiber connector of the type comprising two identical plastic support members (11) having therein at least one V-groove on a first surface. The two support members are identical, with the V-grooves (12) being adapted to clamp on opposite sides of an optical fiber (16). In one embodiment of the invention, each of the support members has integrated therein a first spring member (20). First and second alignment pins (17, 18) are located on opposite sides of the matched first and second support members (11). The spring member (20) of a first one of the support members bears against one of the alignment pins (18) and forces it against the first and second support members (11); and the other spring member (19) forces the other one of the alignment pins (17) against the first and second support members. The springs are both preferably leaf springs which extend in a direction parallel to the V-grooves.