Abstract: An optical connecting method for optically connecting ends of a first optical fiber and a second optical fiber secured side to a first plug and a second plug, respectively, wherein the first optical fiber and the second optical fiber are threaded through the first and second plugs, and respective optical fiber is secured to respective plugs with securing parts, a bending step of bending a part of at least one of the first optical fiber and the second optical fiber that is present ahead of the securing part, an aligning step of aligning the first optical fiber and the second optical fiber and fixing a relative position between the first and second plugs, and an abutting step of abutting the first optical fiber and the second optical fiber by releasing flexure of at least one of the first optical fiber and the second optical fiber.

Abstract: A multichannel optical communication module includes: a board, and a signal-converting element having optical-action points aligned with a first pitch to emit and receive signal light. The element performs conversion between an optical signal and an electric signal at each of the optical-action points. The module further includes an optical waveguide that includes optical waveguide cores each having a first and a second optical-signal ends that are opposed to each other. The first optical-signal ends are aligned with the first pitch and optically connected to the respective optical-action points, while the second optical-signal ends are aligned with a second pitch longer than the first pitch. The module further includes a coupling component fixed on the board and coupling, to the module, an optical connector that holds ends of optical fibers aligned with a pitch equal to the second pitch, thereby optically connecting the second optical-signal ends to the optical fibers.

Abstract: A fiber optic ferrule includes a body extending from a first end to a second opposite end, with the body including an axial passage extending between the first and second ends. The axial passage includes a first diameter portion having a diameter of at least 125 microns, and a second diameter portion having a diameter of at least 250 microns and less than a diameter of the buffer, the second diameter portion positioned between the first diameter and the second end. The axial passage further defines a tapered shape at the second end extending inward from the second end to the second diameter portion. A hub holds the ferrule. A method of assembling a terminated fiber optic cable is also provided.

Abstract: A connector for interconnecting a waveguide with a light component (e.g., another waveguide) for allowing light communication therebetween. Assemblies for connecting a waveguide can be formed with the connector. In one embodiment, the connector is employed for connecting to a waveguide useful in performing medical applications such as provision of photodynamic therapy.

Abstract: The present invention provides an optical connection structure and optical connection method for enabling a connection characterized by a simple structure, ability to retain optical fibers in an adhered state, easy installation and detachment/attachment, and excellent optical stability. The optical connection structure proposed by the present invention has a solid viscous connection member having refractive-index matching property disposed in a single layer state between the end faces of mutually opposing optical transmission media or between the end face of an optical transmission medium and an optical component that are mutually opposing. The solid viscous connection member should desirably be made of silicone resin or acrylic resin.

Abstract: A fiber optic adapter module is disclosed. The fiber optic adapter module includes a molded one-piece housing including a first end and a second end, the housing including at least three openings extending from the first end to the second end, each opening defining a separate fiber optic adapter for interconnecting two cables terminated with fiber optic connectors. The housing is movably mounted on a fixture, wherein the module is movable relative to the fixture along a line of travel that is non-parallel to longitudinal axes of the openings. The fiber optic adapter also includes a sleeve mount mounted within each of the openings of the housing, the sleeve mount configured to be inserted into the opening in a direction extending from the first end to the second end, generally parallel to the longitudinal axis of the opening.

Abstract: An optical transmitter including a multi-lambda source to output injection light consisting of a plurality of injection wavelengths in channels, a circulator having a first port, a second port, and a third port, the circulator receiving the injection light at the first port, and outputting the received injection light to the second port, and further receiving signal light at the second port, and outputting the received signal light to the third port, an arrayed waveguide grating having a multiplexing port connected to the second port of the circulator, and a plurality of demultiplexing ports, spectrum-slicing injection light received from the circulator at the multiplexing port into a plurality of injection channels, and outputting the injection channels to the demultiplexing ports and further receiving and multiplexing a plurality of signal channels at the demultiplexing ports, into a signal light, and outputting the signal light to the multiplexing port, and a plurality of reflective semiconductor optical a

Abstract: A ferrule comprising a molded ferrule body defining fiber bores, an end face of a connective end of the ferrule positioned about the fiber bores, and an integral reference surface for determining the angularity of the end face. The integral reference surface is not machined subsequent to a ferrule molding process and is accessible after assembly of the ferrule body into a connector body. A multi-fiber ferrule comprising a connective end defining an end face, a rear non-connective portion defining a protruding shoulder, and an integral reference datum positioned on a surface of the shoulder accessible for determining the angularity of a plane defined by the end face, wherein the integral datum is accessible when the ferrule is received within a connector body.

Abstract: An optical coupling module for suppressing optical loss by improving degradation of a wiggle characteristic exhibited upon application of an external force. A sleeve joins end faces of optical fibers. A sleeve casing covers the sleeve to protect the joined surfaces of the optical fibers. A splitting slit portion having a return structure is formed in a side of the sleeve. The sleeve casing comprises an inner sleeve casing for covering the sleeve, and an outer sleeve casing for covering the inner sleeve casing. The inner sleeve casing has a side formed with slits. The outer sleeve casing has an inner surface formed with guards for holding the sleeve. The outer sleeve casing is slidingly mounted by inserting the guards into the slits.

Abstract: A secure fiber optic connector and adapter system including at least one connector including a first housing portion defining a first key slot and a second housing portion defining a second key slot independent of the first key slot, and at least one adapter including a first cavity for receiving the first housing portion and defining a first key therein for engaging with the first key slot, and a second cavity for receiving the second housing portion and defining a second key therein for engaging with the second key slot, wherein only a connector and an adapter having corresponding key slots and keys may mate. A secure fiber optic connector and adapter system for providing a level of secure access within a fiber optic network.

Abstract: A connection system for providing selective interconnection between a fiber optic connector plug and a receptacle socket. The connection system is configured for implementation in push-pull type connectors having a dual housing structure, including an inner housing and an outer housing. The connection system comprises a connector inner housing and connector outer housing having predefined keying geometries, including protrusions and channels/slots that may be formed onto the outer and inner surfaces of the respective connection devices. The connection system further comprises a receptacle socket, including protrusions and channels that may be formed onto the inner surface of the connection device. The protrusions and channels formed on the connector's inner and outer housing are configured to mate with corresponding keying features found on the receptacle socket, thus allowing properly keyed connection devices to interconnect.

Abstract: A hybrid fiber/copper connector assembly which permits repair of damaged fibers or copper conductors carried by a hybrid fiber/copper cable without requiring replacement of the entire connector assembly or the cable is disclosed. The hybrid fiber/copper connector assembly disclosed also allows individual hybrid fiber/copper connectors of the assembly to be converted from one gender to a different gender. The hybrid fiber/copper connector assembly disclosed also allows the individual hybrid fiber/copper connectors of the assembly to be converted from being hybrid fiber/copper connectors to being only fiber connectors or only copper connectors.

Abstract: The invention relates to a device for the coaxial connection of optical fibre cables, said device comprising a one-part coupling housing (10) provided with at least one catch recess, and a one-part sleeve receiving element (20) provided with at least one catch projection (21). Said catch recess comprises at least one catch hook (14) and at least one abutment (15).

Abstract: To extend the service life of a latch of a plug housing and facilitate assembly and aligning operations of an optical connector. The optical connector includes a latch provided in a cantilever form on an external surface of the optical connector and deformable for attachment/detachment with respect to an adaptor, and an excessive deformation preventing unit that prevents excessive deformation of the latch.

Abstract: An adapter assembly for receiving and maintaining mating fiber optic connectors, comprising an adapter housing defining at least one feature for engaging with at least one plug housing engaged with at least one of the first and second fiber optic connectors, and at least one alignment member maintained within the adapter housing for receiving connective ends of each of the first and second fiber optic connectors. An adapter assembly for receiving and maintaining mating first and second fiber optic connectors, wherein the connectors may be similar or dissimilar and while reducing side load forces through the use of a stabilizing member.

Abstract: A monolithic cable assembly includes a communication cable and cable connectors coupled to either end of the communication cable. The communication cable includes at least one optical communication channel. The cable connectors include a physical end connector for electrically coupling to a data device connector, optoelectronic components for converting data signals between an electrical realm and an optical realm, and a passively aligned integrated lens cover. The integrated lens cover includes at least one optical pathway for coupling optical data signals between the at least one optical communication channel and the optoelectronic components.

Abstract: A high-voltage component, having a first end and a second end, whereby the first end is on a high-voltage potential with respect to the second end. An insulating part, is arranged between the first end and the second end, and an optical fiber is integrated in the high-voltage component and extends from the first end to the second end. A capillary extends from the first end to the second end and is arranged within the insulating part. The inside diameter of the capillary exceeds the outside diameter of the fiber, and the fiber is arranged within the capillary. The capillary includes a protective medium to achieve a dielectric strength in the capillary, which dielectric strength is suitable for the operating conditions.

Abstract: A guide insert having a guide member having an arcuate portion for bending an optical fiber of a backplane, and a circuit board assembly comprising the backplane and a daughterboard wherein the daughterboard is operatively connected to the backplane via the guide insert.

Abstract: The connector modules that are designed and shaped to mate with one side of the receptacle of the panel have mating devices that enable them to be stacked one atop the other inside of the receptacle in a relatively rigid stack. The connector modules that are designed and shaped to mate with the other side of the receptacle of the panel have mating devices that enable them to be held in slots that are slightly separated from one another by air gaps to allow them to “float” in the receptacle. By floating the connector modules in one side of the receptacle while having a relative rigid stack of connector modules in the other side of the receptacle, it is ensured that very precise optical alignment will be maintained between the respective lenses in the connector modules that face each other in the receptacle.

Abstract: A receptacle assembly that receives an optical connector. The receptacle assembly includes a first piece having a central bore with a stepped diameter. The receptacle assembly also includes an annular second piece designed to receive the optical connector and that has an outside surface designed to establish an interference fit with the inside surface of the first piece central bore. Further, the assembly includes an annular third piece that has a constant inner diameter and a stepped outer diameter. The outside surface of the third piece is designed to establish an interference fit with the inside surface of the annular second piece.

Abstract: A sub-mount includes a recess for holding a polymer optical waveguide film and recesses for embedding and holding a light emitting element and a light detecting element. The sub-mount further has an adhesive filling groove formed adjacent to respective recesses. When mounting the polymer optical waveguide film, the light emitting element, and the light detecting element onto the sub-mount, an adhesive is accurately applied and is prevented from flowing out as the adhesive filling grooves are provided.

Abstract: A secure fiber optic connector and adapter system including at least one connector including a first housing portion defining a first key slot and a second housing portion defining a second key slot independent of the first key slot, and at least one adapter including a first cavity for receiving the first housing portion and defining a first key therein for engaging with the first key slot, and a second cavity for receiving the second housing portion and defining a second key therein for engaging with the second key slot, wherein only a connector and an adapter having corresponding key slots and keys may mate. A secure fiber optic connector and adapter system for providing a level of secure access within a fiber optic network.

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: A network comprising: (a) a plurality of different receptacles for facilitating an optical connection to different information networks requiring different access authorization, each different receptacle coupled to one and only one different information network, each receptacle having an inner surface with a first geometry, the first geometry comprising at least a slot, a certain number of receptacles having different first geometries in which the slots are in different positions; and (b) a plurality of different plugs for coupling with the different receptacles, each plug having a second geometry, the second geometry comprising at least a key in a certain position, the certain number of plugs having different second geometries in which the keys are in different positions, each different first geometry corresponding to one and only one second geometry such that the plugs and receptacles of corresponding first and second geometries are mating pairs.

Abstract: A yoke member is provided for selective insertion into a passage of a first-half housing portion of a connector interface assembly, wherein the first-half housing portion is selectively matable with a complementary second-half housing portion. The yoke member includes a base wall; a pair of side walls; and an intermediate wall disposed between the side walls. The base wall, the pair of side walls and the intermediate wall define a pair of channels. A fiber optic connector is selectively positionable within each channel of the yoke member.

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: 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 fiber network may be provided in a building or set of buildings that can be used with any type of services, regardless of whether those services are provided as electrical signals or as optical signals. To accomplish this, a service aggregation gateway may be provided that receives electrical and/or optical service signals and converts the incoming electrical signals to optical signals. Also, a way for conventional electronic devices in the building to communicate with the optical fiber network is provided. In addition, units for allowing such communication between electronic devices and the optical network may be modularized such that they are interchangeable. In addition, keyed optical fiber ferrule/connector pairs are described.

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 self-aligning connector for connecting fiber-optic cables including a first component connected to a first cable of the cables during use of the connector and a second component connected to the first component and a second cable of the cables during use of the connector. The connector further includes an optomechanical element positioned adjacent and between the first component and the second component during use of the connector. The optomechanical element includes a photosensitive material that changes a dimension when exposed to light during use of the connector and a portion of the optomechanical element protrudes into a light path passing through the connector when the first component and the second component are misaligned. The optomechanical element changes the dimension and moves the second component with respect to the first component to align the connector when the protruding portion is exposed to the light during use of the connector.

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: A coaxial optical component and method of packaging and manufacturing a coaxial optical component. A dual fiber collimator is formed from a dual fiber pigtail and a collimating lens. The dual fiber pigtail and the collimating lens are adequately aligned such that the optical loss is minimized. Spacers are placed around the dual fiber collimator and epoxy is placed between the spacers and around the dual fiber collimator. The dual fiber collimator and the spacers are inserted in one end of a metal housing and aligned before the epoxy is cured. The spacers thus position the dual fiber collimator within the housing while separating the dual fiber collimator from the housing. The metal housing includes an extended portion adapted to receive another optical element for use with the dual fiber pigtail. Alternatively, the dual fiber collimator is replaced with a different optical element and secured within the metal housing.

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 undersea equipment housing includes an inner housing, molded terminations secured at each end of the inner housing, and an outer strength housing. In one embodiment, the housing is used to house optical and electrical equipment, for example, in a repeater. The undersea equipment housing may also include a molded portion around an inside of the inner housing. The molded portion and the molded terminations provide voltage isolation.

Abstract: An assembly used to adapt an external post connector, such as a BNC type connector of a microsurgical optic fiber instrument to a threaded SMA type bushing of a light source includes an adapter that can be threaded on the bushing of the light source and is also connectable to the BNC connector.

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: An optical plug-in connection including: an optical plug-in connector; a coupling configured to receive the plug-in connector; and locking means for locking the plug-in connector in the coupling when the plug-in connector is inserted into the coupling, wherein the locking means are designed to prevent unintentional unlocking when in a locked state.

Abstract: While clamped by a clamping jig 100, polarization-maintaining fiber cables 11 and 12 are automatically oriented with an orientation adjusting unit 200 and then heated by a heater 105 for curing thermoset resins.

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: An optical fiber cable, comprising a cable main unit with an optical fiber covered by a sheath and terminal units mounted on end portions of the cable main unit, wherein each of the terminal units has a transparent cover member with a refractive index approximately equal to the optical fiber, the cover member of at least one of the terminal units and the optical fiber are welded under such condition that the cover member is brought closer to or into contact with the optical fiber, and the cover member and the optical fiber are integrated with each other.

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: Includes a stem with a hole, a dielectric sealed into the hole of the stem and including a pair of pin insertion holes, and a pair of high frequency signal pins that penetrate and fit into the pair of pin insertion holes of the dielectric, and constituting differential lines connected to an optical semiconductor element.

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: A network comprising: (a) a plurality of different receptacles for facilitating a connection to different information networks requiring different access authorization, each different receptacle optically or electrically coupled to one and only one different information network, each different receptacle having an inner surface with a unique first geometry; and (b) a plurality of different plugs for optically or electrically coupling with the different receptacles, each different plug having a unique second geometry, each unique first geometry corresponds to one, and only one, unique second geometry of a plug such that plugs and receptacles having corresponding unique first and second geometries are mating pairs.

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.