Abstract: Embodiments of the invention include a hardened connector system. The connector system includes a connector plug for terminating an optical fiber, a plug housing for coupling to the optical fiber cable and the connector plug, and a translator for coupling the plug housing and the connector plug to an optical fiber connector adapter. The translator, which couples the plug housing to a jack receptacle portion of the connector adapter is configured to allow the connector to be decoupled from the connector adapter without damaging the connector adapter, e.g., when the connector system is subjected to relatively excessive cable loads. Also, the dimensions and configuration of the plug housing allow it to be pulled through conventional conduit, including a 90°-bent, 0.75 inch Schedule 40 conduit.

Abstract: The present invention relates to a multicontact connector comprising: a plug constituting the termination of a cable having at least one optical conductor and/or at least one electrical conductor; and a socket for connecting to the plug and comprising a body and a plate for fastening to a panel; wherein the socket is a single piece of polymer material and wherein the connector includes electromagnetic shielding.

Abstract: A telecommunications assembly includes a chassis and a plurality of fiber optic splitter modules mounted within the chassis. Each splitter module includes at least one fiber optic connector. Within an interior of the chassis are positioned at least one fiber optic adapter. Inserting the splitter module through a front opening of the chassis at a mounting location positions the connector of the splitter module for insertion into and mating with the adapter of the chassis. The adapters mounted within the interior of the chassis are integrally formed as part of a removable adapter assembly. A method of mounting a fiber optic splitter module within a telecommunications chassis is also disclosed.

Abstract: Plug connector for an optical fiber, provided with a housing (15a, 15b, 9), in which at least two sleeves (10, 13) are located, the first sleeve (10) being fixed to a first housing part (15a) and the second sleeve (13) being fixed to a second housing part (15b), the first sleeve (10) engaging with a cladding (B) on the optical fiber and the second sleeve (13) engaging with a jacket (D) of the optical fiber, wherein, between the sleeves (10, 13), a length (Z) of the optical fiber is defined, in which the optical fiber is provided with the jacket (D), the curvature of the optical fiber may change in this region and the jacket can be displaced in the axial direction relative to the cladding (B) and the sleeve (10) in this region.

Abstract: A short chain-like ferrule structure 15 includes a plurality of ferrules 2, and an interconnecting portion 16 interconnecting the plurality of ferrules 2. This ferrule structure includes a connection portion 20 provided at that portion of the interconnecting portion 16 projecting from the ferrule 2 disposed at one end portion of the ferrule structure, and a connection reception portion 21 which is provided at that portion of the interconnecting portion 16 projecting from the ferrule 2 disposed at the other end portion of the ferrule structure, and is engageable with the connection portion 20 of another short chain-like ferrule structure. Projections 23 are formed at the connection portion 20, and project from the interconnecting portion 16, and holes 25 for the passage of the projections 23 of another short chain-like ferrule structure therethrough are formed in the connection reception portion 21, and extend through the interconnecting portion 16.

Abstract: A bezel for facilitating the connection between an external device positioned on one side of a communication panel and a module located on the other side of the panel where the panel has an opening for receiving the bezel. The bezel includes a housing defining an interior portion of the bezel, a first open end for insertion into the opening of the panel and the module, where the first open end receives a first communication connection from the module for connection with the external device, and a second open end having a removable cover. The second open end receives a second communication connection from the external device for connection with the first communication connection.

Abstract: A hermaphroditic connector for mounting to a cable having a plurality of optical fibers and connecting the fibers to mating optical fibers wherein the optical fibers and mating optical fibers have termini mounted to the respective ends thereof, and wherein the termini of at least one of the optical fibers is slidably mounted and biased to provide a predetermined amount of longitudinal travel during connection includes a plug insert for mounting the termini, a generally cylindrical plug body for receiving the plug insert through an open end thereof, the plug body including a mating end with a plurality of mating features configured to cooperate with corresponding mating features of a second connector to align the termini of the first and second connectors in opposed relationship, a plurality of ears extending radially from the mating end of the plug body, a coupling nut slidably mounted on the plug including a groove formed between a plurality of ribs extending around an inside nut so that rotation of the coup

Abstract: A fiber cable assembly includes a cable formed from a bundle of fiber optic strands, a buffer encasing the bundle, and a terminator clamp coupled to an end of the cable over the buffer. The terminator clamp includes a first clamp portion and a second clamp portion. The first and second clamp portions each have an engaging surface for engaging the other of the first clamp portion and the second clamp portion. A channel is formed between the first clamp portion and the second clamp portion for receiving an end of the cable. The channel has a cross-sectional area that is less than a cross-sectional area of the cable. The end of the cable can be inserted into the first clamp portion and the second clamp portion can be secured to the first clamp portion to secure the clamp terminator to the cable. The cable is compressed within the channel to a reduced cross-sectional area.

Abstract: The invention relates to a cable assembly for communication purposes. The cable assembly includes a communication cable having a free, front end and a communication connector. The communication cable can be passed through a cable guide from a starting position to an end position with its free, front end. The communication cable includes at least one optical fiber that is coaxially surrounded by at least one cable sheath, within which at least one strain-relieving element is present. The communication connector can be mounted to the free end of the communication cable in communicative contact with the optical fiber. To make it possible to pass the communication cable through the cable guide, the optical fiber is exposed at the communication cable's free, front end, which is fixedly surrounded by a connecting element. The connecting element can be mechanically connected to the communication connector after the communication cable has passed through the cable guide.

Abstract: A cleaning apparatus (1100) for cleaning an endface (1104) of an optical fiber (1106), wherein a portion of the optical fiber is contained within an interface device (1103) is provided. The cleaning apparatus includes a housing (1114) having an interface portion (1124) adapted to be received by the interface device. The cleaning apparatus further includes a fluid dispensing assembly (1116) at least partially disposed within the housing, wherein at least a portion (1112) of the fluid dispensing assembly engages the endface when the interface portion is received by the interface device. The fluid dispensing assembly is operable to deliver a fluid and a solvent upon the endface when the interface portion of the housing is received by the interface device to aid in the removal of contaminants on the endface. The cleaning apparatus may include a contact cleaning assembly (1304) and/or a microscope (1408).

Abstract: The invention relates to a housing for fiber-optic plug-in connectors. According to the invention, said housing is configured in at least two parts, one end of a core cable can be positioned in the housing and the position of said cable can be fixed in said housing, at least one housing part is equipped with an opening and the housing part can engage over the core cable in a transversal direction by means of the opening. The invention also relates to a method for laying fiber-optic cables, which can be manufactured with plug-in connectors, whereby at least one end of a core cable is laid in a plug-in station, the end of the core cable is positioned in a housing part, the position of the core cable is fixed in the housing part by at least one second housing part and at least one housing part, which is provided with an opening, engages over the core cable in a transversal direction.

Abstract: A shading member-equipped optical connector plug is compact while having the compatibility to engage existing connector receptacles. The connector plug includes a shading member having a shutter housing enclosing a plug frame slidably on an outside thereof. The shutter housing is inserted into an engagement opening of a connector receptacle to be engaged when the shading member-equipped optical connector is connected. The shading member also has a shutter one end of which is supported by the shutter housing at a front part of the housing and another end of which is urged by an elastic force and closes so as to shade the optical fibers at a position in front of the ferrule, and an elastic member disposed between the plug frame and the shutter housing that urges the shutter housing forward.

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 of the fiber optic coupling.

Abstract: This invention relates to novel latching mechanisms for a pluggable assembly or module that comprises a communications interface between a computer processing unit and the housing of an optical transceiver (such as a XENPAK module). Such connections require multiple flexible spring configurations to ground the module housing to the CPU circuit board. Such flexible spring configurations must exhibit sufficient strength to allow for flexion upon introduction of the housing within a slot within a CPU, yet sufficient force as well to reliably maintain contact of the conductive springs on the optical transceiver to a grounding strip on the CPU circuit board. Furthermore, the springs themselves must release upon application of sufficient force as the user slides the transceiver housing from the CPU slot as well.

Abstract: An optical connector which is suitable for connection to jacketed cable includes a housing and a ferrule assembly. The ferrule assembly includes a front portion having a first geometry, and the housing includes a receiving portion having a second geometry that mates with the first geometry to prevent rotation of the ferrule assembly relative to the housing. A spring biases the ferrule assembly forward to assist mating of the first and second geometries.

Abstract: A fiber optic connector may include a first cover with an integral restraining mechanism and a second cover with a reciprocal restraining mechanism. A fiber optic cable having a ferrule at a terminating end may be placed within the fiber optic connector. A dust cap may be placed on the terminating end of the fiber optic cable. The integral restraining mechanism and the reciprocal restraining mechanism may detachably mate and enclose the terminating end of the fiber optic cable within the fiber optic connector. The fiber optic connector may include one or more gaskets to assist in sealing the connector.

Abstract: There are provided fiber optic local convergence points (“LCPs”) adapted for use with multiple dwelling units (“MDUs”) that facilitate relatively easy installation and/or optical connectivity to a relatively large number of subscribers. The LCP includes a housing mounted to a surface, such as a wall, and a cable assembly with a connector end to be optically connected to a distribution cable and a splitter end to be located within the housing. The splitter end includes at least one splitter and a plurality of subscriber receptacles to which subscriber cables may be optically connected. The splitter end of the cable assembly of the LCP may also include a splice tray assembly and/or a fiber optic routing guide. Furthermore, a fiber distribution terminal (“FDT”) may be provided along the subscriber cable to facilitate installation of the fiber optic network within the MDU.

Abstract: A dustproof and pluggable transceiver includes a transceiver body, a first cover and a first rebounding member. The transceiver body on which the first cover is pivoted has a first opening, and the first rebounding member has a first end coupled with the transceiver body and a second end coupled with the first cover for providing a rebounding force to return the first cover to shelter the first opening so that dust-proofing is achieved. Through a driving member which is coupled with a direction-changing mechanism and pivoted on the first cover, and a pushing block coupled with the direction-changing mechanism, removal of the transceiver is controlled by the first cover.

Abstract: The present invention relates to a low-cost attachable/detachable optical fiber connector, and the like. The optical fiber connector comprises first and second fiber connecting members. The first fiber connecting members has a ferrule that holds a first optical fiber in its inserting hole in a slidable state, a housing that covers the first optical fiber, and a fixing member that fixes the inserted first optical fiber to the housing behind the ferrule so as not to protrude out from the ferrule. The second fiber connecting members has a housing that has a ferrule engaging portion having a recess therein and an optical fiber holding portion that holds a second optical fiber in its inserting hole in a slidable state, and a fixing member that fixes the inserted second optical fiber to the housing behind the optical fiber holding portion so as to protrude into the recess from the optical fiber holding portion.

Abstract: A patch panel configured for mounting to a network rack, includes: a frame including mounting features at opposite lateral ends for mounting the patch panel to the network rack; a bezel mounted to the patch panel, the bezel including a plurality of outlet apertures, and a plurality of communication outlets mounted in respective ones of the outlet apertures. Each of the outlets includes a plurality of electrical contacts within a plug aperture configured to receive a mating plug. The plug aperture has a generally horizontal axis for receiving the mating plug and further includes a plug latch recess. The outlets are oriented such that the plug latch recess is positioned on one side edge of the plug aperture.

Abstract: An epoxy-free collimator assembly is configured with a ferrule and a lens operative to move within an outer case to a desired position therebetween. The collimator assembly further has an aligning component made from soft, malleable material which is capable of filling out the radial space between the ferrule and case so as to spatially fix the aligned fiber held in the ferrule and lens in the desirable position.

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: 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: The present invention provides a new arrangement of the stem and the cap resistance-welded to the stem, in which the deformation induced by the welding in a portion adjacent to the projection does not cause the failure for the assembly of the module. The cap and the stem of the present module provided first and second portions. The diameter of the second portion is greater than that of the first portion such that, even the welding deforms the first portions of the cap and the stem; the deformed portion is inside of respective second portions.

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: A fibre optic coupler assembly for optically aligning a sectioned fibre optic cable, the cable having a first end and a second end and comprising one or more fibre optic cores. The assembly comprises a first holder for holding the first end; a second holder for holding the second end coupled to the first end; a retractor for retracting the second end; an aligning unit comprising a resilient construction having a conduit passing through it, for linear alignment of the ends; whereby the first and second ends are coupled by the respective holders and whereby the second end can be linearly aligned in the conduit of the aligning unit, retracted using the retractor, and rotated to obtain rotational alignment of the fiber cores of the ends.

Abstract: The invention provides an adapter for an optical printed circuit board, the adapter comprising a socket for receiving a daughter card for connecting to a said optical printed circuit board; and a connector for engagement with the optical printed circuit board arranged such that when the connector engages with the optical printed circuit board an optical connection is established between the optical printed circuit board and the adapter.

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: It is often desirable to efficiently couple laser foci that are dimensionally large to dimensionally small optical fibers. A fiber fused in a lower refractive index fiber is disclosed. The fiber/ferrule construct is characterized by having no taper of the fiber in the ferrule and a negative lens shape at a fiber/ferrule face. This construct enable the coupling of imparting rays that fall outside of the fiber core into the transmission path of the fiber. Where the laser systems are integrated in a manner that precludes altering the focusing optic, such as in surgical laser systems, or where the laser's beam focal properties are such that reducing the focal spot diameter is impractical for fiber coupling, modification of the optical fiber input geometry offers a means of customizing the laser-to-fiber interface for applications involving different fiber diameters.

Abstract: A hermaphroditic connector for mounting to a cable having a plurality of optical fibers and connecting the fibers to mating optical fibers wherein the optical fibers and mating optical fibers have termini mounted to the respective ends thereof, and wherein the termini of at least one of the optical fibers is slidably mounted and biased to provide a predetermined amount of longitudinal travel during connection includes a plug insert for mounting the termini, a generally cylindrical plug body for receiving the plug insert through an open end thereof, the plug body including a mating end with a plurality of mating features configured to cooperate with corresponding mating features of a second connector to align the termini of the first and second connectors in opposed relationship, a plurality of ears extending radially from the mating end of the plug body, a coupling nut slidably mounted on the plug including a groove formed between a plurality of ribs extending around an inside nut so that rotation of the coup

Abstract: A fiberoptic cable assembly includes a cable provided as a continuous length of a bundle of optic fibers enclosed within a flexible sheathing and a rigid or semi-rigid protective pistol-grip handle formed about at least a portion of one of the ends of the bundle of optic fibers. The handle includes a grip section, an elongate extension extending from the grip section, and an end fitting connected to an end tip on the extension. The extension extends from the grip section at an angle in a manner forming an elbow therebetween and providing a pistol grip configuration. Preferably, the elongate extension is of a length multiple times greater than its diameter or width.

Abstract: Embodiments of the invention include a connector system. The connector system includes a connector cover. The connector-cover has a cap to protect a connector from dust and water and an adapter attached to an optical fiber cable, which is configured to connect to the cap. The dimensions and configuration of the connector-cover allow it to be pulled through conventional conduit (i.e. a 90°-bent, 0.75 inch Schedule 40 conduit).

Abstract: The invention relates to a method and a device for coupling fiber optic cables. Said device comprises at least one module, which is equipped with at least one retaining unit for retaining at least two cassettes. The invention is characterized in that: a cassette is configured with at least one coupling element; at least one strand bundle can be fixed to the module, whereby said strand bundle can be split into at least two strands comprising at least one fiber optic cable; an excess length of strand can be retained by a cassette, the fiber optic cable or cables being connected to the coupling element and the cassette together with its retained strand being detachably connected to the retaining unit.

Abstract: A fiber-optic module attachment system. The system includes a back plane circuit card assembly (CCA), a fiber-optic module having a plurality of external pins located on a first side, and a connector housing. The connector housing includes a plurality of holes and is attached to a first side of the back plane CCA. An optical module socket is attached to the first side of the back plane CCA. The optical module socket includes a plurality of pin receptacles and electrical traces that electrically attach the pin receptacles to corresponding electrical traces on the back plane CCA. The one or more pins of the fiber-optic module are removably received by at least a portion of the plurality of receiving holes of the optical module socket.

Abstract: The present invention provides a method of manufacture that minimizes the lateral offset of a plurality of optical fiber holes associated with a multi-fiber ferrule, including: determining an initial offset distance of each of the plurality of optical fiber holes from each of a plurality of corresponding target locations on an initial endface; removing a predetermined amount of material from the multi-fiber ferrule to form a subsequent endface; determining a subsequent offset distance of each of the plurality of optical fiber holes from each of the plurality of corresponding target locations on the subsequent endface; and, using the initial offset distance and the subsequent offset distance, determining an angle of each of the plurality of optical fiber holes relative to the initial endface.

Abstract: A multi-channel fiber optic cable connector is provided for connecting the terminal ends of fiber optic cables utilizing alignment sleeves to align the adjacent termini of optical fibers included within respective ones of the cables. A retention mechanism, a sleeve retainer, secured within the connector, is provided that secures the alignment sleeve within the connector. In another aspect, a single floating seal assembly extends around a termini and seals between the termini and a connector housing. The single seal assembly provides a dual sealing function, sealing between an aperture of a floating collar and the termini body and sealing between the floating collar and a seal surface of a bore in the connector housing.

Abstract: An optical module and chassis incorporating “keying” features that ensure the correct insertion of the module into a given chassis, thereby preventing damage to the module and/or the system to which the chassis is connected.

Abstract: The drop terminal includes a plurality of fiber optic adapters having outer connector ports that are accessible from outside the drop terminal. The drop terminal receives a fiber optic cable having a plurality of optical fibers. Fiber optic connectors are positioned at the ends of the optical fibers. The fiber optic connectors are inserted into inner connector ports of the fiber optic adapters. The drop terminal also includes an anchor block for securing the fiber optic cable to a main housing of the drop terminal. The anchor block can be secured to the main housing of the drop terminal by a mechanical interlock. The drop terminal may also include a transparent interior shield or liner that retains fibers in position within the drop terminal during assembly of the drop terminal.

Abstract: The invention relates to an optical connector arrangement wherein the connector and the converter are connected by short plastic fiber sections. The aim of the invention is to provide one such connector arrangement which can be produced in a simple and cost-effective manner, can be easily and economically mounted on a circuit carrier and reliably and efficiently soldered to the conductors thereof, enables a modular assembly, and is at least partially heat-resistant during the assembly in such a way that, for example, a vibration-resistant reflow soldering can be carried out. To this end, the fiber sections are connected to a double ferrule which is fixed to the converters by means of a clamp. A false cover can be used for the transport and soldering.

Abstract: A fiber optic connector having a double-clad specialty optical stub fiber with a deep index core-to-inner-cladding profile and a raised index outer-cladding profile. The double-clad optical stub fiber abuts against a single-clad field optical fiber of the single-mode type to form an interface across which the primary mode traverses without significantly interfering with higher-order modes. The ratio of the radius of the inner cladding to the radius of the core of the stub fiber is less than 6.5:1. The index profile of the refractive index of the inner cladding is deep relative to the refractive index of the core to confine the primary mode within the core. The raised refractive index of the outer-cladding pulls the higher-order modes deeper into that region, reducing interference with the primary mode. The respective core diameters of the field and stub fibers are matched to avoid mode-field diameter mismatch.

Abstract: Apparatus and methods for terminating and anchoring fiber optic connections are disclosed. One apparatus includes a sealed body enclosing a passage for one or more optical fibers terminating in connections proximate a first end of the sealed body, the sealed body having a diameter less than an internal diameter of an oilfield tubular, the sealed body having a second end adapted to sealingly engage and anchor an end of a fiber optic carrier conduit, the second end connecting the sealed body to the fiber optic carrier conduit.

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: A telecommunications assembly includes a chassis and a plurality of fiber optic splitter modules mounted within the chassis. Each splitter module includes at least one fiber optic connector. Within an interior of the chassis are positioned at least one fiber optic adapter. Inserting the splitter module through a front opening of the chassis at a mounting location positions the connector of the splitter module for insertion into and mating with the adapter of the chassis. The adapters mounted within the interior of the chassis are integrally formed as part of a removable adapter assembly. A method of mounting a fiber optic splitter module within a telecommunications chassis is also disclosed.

Abstract: A patch panel configured for mounting to a network rack, includes: a frame including mounting features at opposite lateral ends for mounting the patch panel to the network rack; a bezel mounted to the patch panel, the bezel including a plurality of outlet apertures, and a plurality of communication outlets mounted in respective ones of the outlet apertures. Each of the outlets includes a plurality of electrical contacts within a plug aperture configured to receive a mating plug. The plug aperture has a generally horizontal axis for receiving the mating plug and further includes a plug latch recess. The outlets are oriented such that the plug latch recess is positioned on one side edge of the plug aperture.

Abstract: A terminal element for fiber optic communication has an elongated body defining a body axis and having a first end from which an optical fiber extends along the body axis. The body has a second end with an angled surface offset at an angle from the body axis. The fiber extends partly through the length of the body, and terminates at a fiber end surface. The second portion has an optical entry surface registered with the fiber end surface such that light emitted from the fiber end surface enters the optical entry surface. At least one of the fiber end surface, angled surface and optical entry surface has a figured optical form with a non-planar shape.

Abstract: A connector holder fixes an optical connector assembled at a leading end of an optical fiber to an optical module having a light input/output end so that the optical fiber and the light input/output end is optically connected. The connector holder is provided with a holding section for storing at least a part of the optical connector, and a cover section attached to the holding section to be freely opened and closed. The cover section is provided with a cover section main body, and a pressing section which presses the optical connector toward the optical module.

Abstract: An optical connector includes a base member having a first hollow bore extending from a first end toward a second end, and a recess coaxially aligned with the first hollow bore. The recess has a first internal perimeter and a second internal perimeter. The first perimeter is smaller than said second perimeter. The base member can have a post extending up from a bottom of the recess. The first hollow bore passes through the past and terminates at an end of the post. The post can have an end that terminates substantially in alignment with at least a portion of a termination region disposed between the first internal perimeter and the second internal perimeter.

Abstract: An optical fiber sensor enabling simpler detection of a state of an external environment and a measuring apparatus using the same are provided. At a front end of an optical fiber portion 20a for transmitting the light a hetero core having a different diameter from that of a core of the optical fiber portion 20a is melt bonded so as to form a tip type optical fiber sensor 9 having a sensor portion 4 comprised of the hetero core on its front end. An end of the optical fiber portion 20a side of this tip type optical fiber sensor 9 has a light source 1 connected to it. Returned light striking the optical fiber portion 20a from the light source 1 and subjected to interaction with a measurement medium MD at the sensor portion 4 is split by an optical fiber coupler 2 and received at a photodiode or spectrum analyzer 6, thereby an optical fiber sensor measuring apparatus 100 is constructed.

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: 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.