An assembly of two fiber optic ferrules allows for the mating of a CWDM fiber optic ferrule with a non-CWDM fiber optic ferrule. The CWDM fiber optic ferrule has optical fibers that carry optical beams with at least two different wavelengths, which the non-CWDM ferrule has optical fibers that carry only one wavelength. The CWDM fiber optic ferrule and the non-CWDM fiber optic ferrule have optical fibers that are inserted along parallel axes. The non-CWDM fiber optic ferrule has a lens pitch that matches the CWDM ferrule.
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
G02B 6/293 - Moyens de couplage optique ayant des bus de données, c. à d. plusieurs guides d'ondes interconnectés et assurant un système bidirectionnel par nature en mélangeant et divisant les signaux avec des moyens de sélection de la longueur d'onde
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
G02B 27/09 - Mise en forme du faisceau, p.ex. changement de la section transversale, non prévue ailleurs
2.
Dust Plug for Adapter Pre-populated with MPO Housing
A dust plug for use in a pre-populated adapters has a main body having a top wall, a bottom wall, and two opposing side walls extending between the top wall and bottom wall. The dust plug also includes at least one pair of latches in a front portion of the main body and each of the at least one pair of latches may have an increased thickness at a forward end thereof. The area of increased thickness is sized to engage a receptacle in an inner surface of the housing when the dust plug is attached to the housing. Other versions contemplate not having the increased thickness. The dust plug preferably includes a grip at the back end.
A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.
A fiber optic connector has at least two optical fibers therein have end faces that are positioned such that they are directed in different directions. The end faces can be oriented relative to a key that is provided on a fiber optic connector housing that has a central opening in the main body of the fiber optic connector.
A modified housing and adapter prevent unwanted contact during the mating of fiber-optic connectors by using positive features and negative features in the housing, while the modified adapter presents negative features and positive features in mating of the two structures.
An interface provides protection and support for transitioning a jacketed fiber optic cable. The interface has a crimp body, a transition portion and a front end to receive an adapter. The interface preferably has a main body with two pieces that are identical. The two pieces have tabs and recesses corresponding to the tabs for alignment and structure. The main body also may have an opening for an adapter latch. A crimp band fits over the crimp body to secure the jacketed fiber optic cable to the interface.
An adapter receives a multi-fiber ferrule in opposing ends, the multi-fiber ferrules have different formats, end-face configurations and areas. The ferrules may be disposed in a fiber optic connector or a sleeve. In at least one embodiment, a MT ferrule is optically mated to a TMT ferrule, the MT ferrule being disposed in an MPO connector while the TMT ferrule is disposed in a VSFF connector.
A fiber optic connector has a fiber optic connector shutter that rotates about a first axis and an adapter for the fiber optic connector also has an adapter shutter that rotates about a second axis in the adapter. When the fiber optic connector and the adapter are mated to one another, the axes for the fiber optic connector shutter and the adapter shutter are aligned and the fiber optic connector shutter and the adapter shutter rotate about a single axis. The fiber optic connector shutter and the adapter shutter include structure to maintain engagement during the mating and un-mating of the fiber optic connector and the adapter.
Fiber optic assemblies are used to link transceivers carrying a signal from the transmitter portion of one transceiver to the receiver portion of another transceiver. The fiber optic assemblies have multi-fiber fiber optic connectors with a multi-fiber ferrule with two rows of optical fibers and with a gender of either male or female. When the fiber optic connectors have fiber optic connectors with the same gender, the plurality of optical fibers are inverted and when the fiber optic assemblies have fiber optic connectors with an opposite gender, the plurality of optical fibers are not inverted but switch rows. The inversion may also occur when the fiber optic connectors have the opposite gender in an alternative embodiment.
An adapter receives a multi-fiber ferrule in opposing ends, the multi-fiber ferrules have different formats, end-face configurations and areas. The ferrules may be disposed in a fiber optic connector or a sleeve. In at least one embodiment, a MT ferrule is optically mated to a TMT ferrule, the MT ferrule being disposed in an MPO connector while the TMT ferrule is disposed in a VSFF connector.
The present disclosure relates to a multi-fiber ferrule having a plurality of bores where each bore has an adjacent divider that separates the bores. The divider also facilitates insertion of an optical fiber into each bore.
The present disclosure relates to a multi-fiber ferrule having a plurality of bores where each bore has an adjacent divider that separates the bores. The divider also facilitates insertion of an optical fiber into each bore.
A combination of a fiber optic ferrule and a fiber optic ferrule holder includes a fiber optic ferrule with a pair of guide pins movable between a non-mating position and a mating position via a spring mechanism. The fiber optic ferrule includes at least one cut-out with a ferrule stop surface associated therewith. The ferrule holder has a central opening in the body and two holder extensions extending longitudinally and forward of the fiber optic ferrule holder, each of the holder extensions include a rear stop surface configured to engage a respective ferrule stop surface on the fiber optic ferrule.
A new fiber optic ferrule has an alignment structure on a surface through which light passes. The alignment structure is preferably in the shape of a dog bone, allowing the alignment structure to align the fiber optic ferrule in a receptacle while reducing the influence of temperature on the alignment.
A fiber optic connector for fiber optic ferrule has an outer housing, an inner housing at least partially disposed within the outer housing, an inner sleeve positioned within the inner housing and engageable with a rear facing surface inside the inner housing, the ferrule engaged by a rearward facing surface of the inner sleeve, and a spring positioned rearward of and exerting a force on a rear end of the inner sleeve to bias the ferrule and the inner sleeve in a forward direction, wherein the combination of the inner sleeve and the ferrule is in a floating configuration inside the connector.
A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys may be installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector can be changed. The keys have a configuration that resist an incorrect insertion and provide better retention of the keys in the correct configuration due to a better retention force.
An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.
A fiber optic ferrule has a main body with a top surface and a bottom surface and extends between a front end and a back end. The front face includes a recessed portion with a plurality of optical lenses. The front face is configured to allow for the plurality of lenses to be on an angle relative to the front face and the fiber optic ferrule will have not any undercuts and allow the fiber optic ferrule to be ejected from a mold without engaging any portions of the mold.
A fiber optic ferrule and a fiber optic connector housing make contact only along two sides of the fiber optic ferrule when in an unmated condition. One of the fiber optic ferrule and the fiber optic connector housing have been modified such that only two of the surfaces engage one another. The shoulders can be shortened, lengthened, or have a projection added to the current surfaces.
A two-piece fiber optic connector and a corresponding two-piece adapter allow for the tripling of the optical fibers that can be used with a standard fiber-optic cassette. The two-piece fiber optic connector has a fold-over latch to engage the adapter. The two-piece adapter has at least one latch to engage the standard fiber-optic cassette to retain the two-piece adapter and the fiber optic connectors in the adapter within the cassette. This allows for the retrofitting and/or continued use of the standard fiber-optic cassette.
An interconnect system is provided that involves pre-installing a connector housing an optical connector in an adapter and a ferrule of the same optical connector on a cable. The ferrule terminates one or more groups of optical fibers, and a ferrule push component is also pre-installed on the same group(s) of optical fibers. The connector housing is configured to receive and retain the ferrule and ferrule push component without being removed from the adapter to simultaneously form the optical connector and install the optical connector in the adapter. Embodiments such an interconnect system involving high fiber-count cables and related installation methods involving many optical connections are disclosed.
A fiber optic connector has a crimp body that allows for a heat shrink tube to be abutted to the crimp band used with the crimp body or dispose underneath the crimp band to allow for the use with a VSFF fiber-optic connector.
A new boot for a fiber optic connector has a ribbed back portion, a center portion, and a forward extending portion that can be used to insert and remove the fiber optic connector to receptacle. The ribbed back portion has grasping elements and is connected to the center portion. The center portion is removably connected to a crimp body that is in turn connected to the connector housing. The front extension is connected to the fiber optic connector and also provides a keying feature depending on the side of the fiber optic connector on which it is installed.
A fiber optic connector housing has a first portion to receive fiber optic ferrule holders and fiber optic ferrules. The fiber optic connector housing also includes a second portion for use during polishing and before one of the fiber optic ferrule holders is rotated 180°. The second portion is, removed to allow for rotation and a third portion is attached to the first portion for connection with another fiber optic connector or assembly.
A new boot for a fiber optic connector has a ribbed back portion, a center portion, and a forward extending portion that can be used to insert and remove the fiber optic connector to receptacle. The ribbed back portion has grasping elements and is connected to the center portion. The center portion is removably connected to a crimp body that is in turn connected to the connector housing. The front extension is connected to the fiber optic connector and also provides a keying feature depending on the side of the fiber optic connector on which it is installed.
A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.
An optical interconnect assembly includes a pre-terminated trunk cable assembly with a cable bundle having a plurality of optical fiber trunk cables terminating in ribbonized groups of optical fiber and a plurality of terminated small form factor fiber optic connectors for inclusion in a pulling sock attached to the plurality of optical fiber trunk cables. Each of the connectors has a push-pull stick with a pair of side latches on opposing sides of the central portion, a ferrule push, a housing configured to engage the push-pull stick and the ferrule push, a miniature multi-fiber ferrule, and a dust cap. The components are provided inside the pulling sock with at least one additional one of the plurality of terminated small form factor fiber optic connector identical to the first small form factor fiber optic connector.
A fiber-optic connector includes a connector body including a housing with a top surface and a bottom surface, the top surface and the bottom surface being joined together by two opposing side surfaces of the housing. The housing has a top slot and a bottom slot thereupon along a longitudinal axis, the top slot and the bottom slot being provided on the top surface and the bottom surface, respectively. A first key structure is slidably positioned within the top slot, and a second key structure is slidably positioned within a bottom.
A method for terminating a fiber optic ferrule included applying a force to a fiber optic ferrule while simultaneously holding the optical fibers. The fiber optic ferrule uses epoxy to hold the optical fibers, the epoxy can be either heat or light cured. The force is applied through a pusher that engages a cap on the front end of the fiber optic ferrule.
A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.
A fiber optic connector includes a housing and push-pull boot with a latch body disposed between a front extension of the push-pull boot and a top side of the housing. The latch body has an anti-buckle feature, which may be a projection. The anti-buckle feature movable between a relaxed position and a stressed position, wherein the anti-buckle feature is in contact with the housing in the stressed position to prevent the latch body from buckling.
A fiber optic ferrule and a guide pin clamp allows for changing guide pins in the field. The guide pin clamp has a forward clamp portion, a rearward clamp portion configured to engage the biasing spring and a guide pin retaining plate. The forward clamp portion and the rearward clamp portion move relative to one another to also move guide pin retaining plate from a first position to a second position to allow for the removal or insertion of guide pins.
A two-piece fiber optic connector and a corresponding two-piece adapter allow for the tripling of the optical fibers that can be used with a standard fiber-optic cassette. The two-piece fiber optic connector has a fold-over latch to engage the adapter. The two-piece adapter has at least one latch to engage the standard fiber-optic cassette to retain the two-piece adapter and the fiber optic connectors in the adapter within the cassette. This allows for the retrofitting and/or continued use of the standard fiber-optic cassette.
A ganging clip for ganging at least two fiber-optic connectors includes a pair of side walls defining a lateral dimension of a top and having a side wall bump on an inside surface. The ganging clip also has at least one partition between the pair of side walls and extending parallel to each of the pair of side walls and extending perpendicularly from the top, a partition bump disposed on each opposite side of the at least one partition, wherein the at least two fiber-optic connectors are retained within the ganging clip at the side wall bumps and at the partition bumps.
A fiber optic connector has at least two optical fibers therein have end faces that are positioned such that they are directed in different directions. The end faces can be oriented relative to a key that is provided on a fiber optic connector housing that has a central opening in the main body of the fiber optic connector.
Fiber optic assemblies are used to link transceivers carrying a signal from the transmitter portion of one transceiver to the receiver portion of another transceiver. The fiber optic assemblies have fiber optic connectors with a gender of either male or female. When the fiber optic connectors have fiber optic connectors with the same gender, the plurality of optical fibers are inverted and when the fiber optic assemblies have fiber optic connectors with an opposite gender, the plurality of optical fibers are not inverted. The inversion may also occur when the fiber optic connectors have the opposite gender in an alternative embodiment.
A multi-fiber ferrule has lenses that have different prescriptions to disperse the light emitted from the multi-fiber ferrule. Alternatively, the lens for each individual optical fiber can be moved relative to the optical fiber or the optical fiber opening in the multi-fiber ferrule to cause the laser beam exiting the multi-fiber ferrule to be redirected into a structure that absorbs or blocks the laser.
A new boot for a fiber optic connector has a ribbed back portion, a center portion, and a forward extending portion that can be used to insert and remove the fiber optic connector to receptacle. The ribbed back portion has grasping elements and is connected to the center portion. The center portion is removably connected to a crimp body that is in turn connected to the connector housing. The front extension is connected to the fiber optic connector and also provides a keying feature depending on the side of the fiber optic connector on which it is installed.
A fiber optic connector includes a fiber optic ferrule supporting at least one optical fiber terminated at a front end of the fiber optic ferrule, a housing partially surrounding the fiber optic ferrule, a carrier engaged to the housing rearward thereof, a connector boot coupled to the carrier at a rear portion of the carrier, and a converter coupled to the connector boot at a front portion of the connector boot and having an engagement mechanism to engage with an adapter within which the fiber optic connector mates with another fiber optic connector. The connector boot is movable rotationally between a plurality of positions with a torque. A longitudinal force generated on the converter and the carrier is transferred to the fiber optic ferrule as a mating force for mating with another fiber optic ferrule. There may be a turning element attached to the connector boot that is rotationally movable.
A small form factor dust cap for a fiber-optic connector includes a main body having a front portion, a middle portion, a rear portion, and an internal opening extending within the main body from the rear portion toward the front portion, the main body formed by two long side walls joined by a short top wall and an oppositely placed short bottom wall, a pair of cutouts in each of the respective two long side walls and located nearer to one of the short top wall and the short bottom wall, an extension extending rearwardly from the middle portion and having a free end, and an engagement mechanism at the free end of the extension to engage a housing of the fiber optic connector. The dust cap is also combined with a small form factor fiber optic connector.
A fiber handling tool has a cover to engage optical fibers placed in the fiber handling tool. There may be more than one cover and the covers have at least two elastic elements. There are at least two elastic elements that cooperate to hold the optical fibers and/or cable in place and another elastic element may be used with a door lock that is rotatably attached to the cover. There are also structures for managing the routing of the optical fibers within the tool.
A fiber optic connector housing has seating features in an internal opening that coordinate with a flange on a fiber optic ferrule to have a secure and precise position for the fiber optic ferrule. There are at least one pair of ramps that may be attached to an inner connector housing wall and an opening wall. The flange has contacts that engage the ramps, which direct the fiber optic ferrule in a rotational direction as well as a translational direction to a final position. The seating features also ensure the correct position after the fiber optic ferrule has been mated and unmated.
A housing for a fiber optic connector includes an opening extending between a front end and a rear end, and having an integral spring stop surface between the front end and the rear end. A front section receives an elastic member into the opening from the front end and the elastic member is engageable with the integral spring stop of the housing. There is a middle section of the main body to transition optical fibers between a fiber optic ferrule and a fiber optic cable. A rear section of the main body has an outer surface to engage a crimp ring.
An optical fiber support structure for an optical fiber includes a substrate having a groove configured to receive the optical fiber and running lengthwise generally parallel to the optical fiber and at least two projections from the substrate and into the groove, each of said at least two projections including a surface to receive the optical fiber. The optical fiber support structures may also be included in a fiber optic ferrule. There may also be a plurality of optical fiber openings included with the fiber optic ferrule.
A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys may be installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector can be changed. The keys have a configuration that resist an incorrect insertion and provide better retention of the keys in the correct configuration due to a better retention force.
A fiber optic ferrule receiver includes a main body that has an opening extending between the front end and the rear end and being defined at least by a portion of internal surfaces of the four sides. A first side in the opening has first tapered surface and a second tapered surface, the first tapered surface reducing the opening between the rear end and a first position and the second tapered surface increasing the opening between the first position and the front end. There is also a second side in the opening and across the opening from the first side, the second side has a third tapered surface and a fourth tapered surface, the third tapered surface reducing the opening between the rear end and a second position and the second tapered surface increasing the opening between the second position and the front end. There is also a first projection extending into the opening from the first side to engage a first portion of the fiber optic ferrule at the first position, and a second projection extending into the opening from second side to engage a second portion of the fiber optic ferrule at the second position.
A fiber optic ferrule has a main body having a front end, a rear end, and a top surface and a bottom surface joined together by opposing side surfaces and has a longitudinal axis. There are a plurality of optical fiber support structures disposed between the front end and rear end and configured to receive a plurality of optical fibers. The fiber optic ferrule has an end face at the front end of the fiber optic ferrule through which an optical beam passes. There are also a front facing refractive surface and a rear facing refractive surface, the rear facing refractive surface being closer to the end face than the front facing refractive surface, both being at an angle to the front facing refractive surface.
A fiber optic connector includes a connector body, a release member attached to the connector body and having a boot latch opening at a rear end, a push-pull boot attached to the release member, and a boot latch attached to the push-pull boot and extending forward and away from the push-pull boot, the boot latch having a first and second side extension and a central head member connected to and at least partially disposed between the first and the second side extensions by at least one flexure member, the boot latch is permanently disposed within the release member after the boot latch is inserted into the boot latch opening as the central head member engages each of the first side extension and the second side extension preventing removal of the boot latch from the release member when push or pull forces are applied to the push-pull boot.
A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.
A multi-fiber ferrule has a main body with a top portion and a bottom portion, the top portion includes a top cut-out therein to form a first forward facing surface to engage a housing of a fiber optic connector. The top cut-out extends rearwardly from the front end. The bottom portion also has a bottom cut-out portion forming a second forward facing surface to engage the housing of the fiber optic connector, the bottom cut-out also extending rearwardly from the front end. The multi-fiber ferrule also includes an end face at a front end of the main body, and a rear face at a rear end of the main body. There is a rear central opening that extends into the main body from the rear end face and configured to receive at least three optical fibers.
A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.
A combination of an adapter panel and at least one two-piece fiber optic adapter includes an adapter panel having a first side and a second side, the adapter panel having a window extending between the first side and the second side, the adapter panel having a thickness and a two-piece fiber optic adapter formed by joining a first piece to a second piece via a latching mechanism, each of the first piece and second piece having a longitudinal opening to receive fiber optic connectors from either side of the adapter panel. The latching mechanism is positioned at least partially within the window and the thickness of the adapter panel.
G02B 6/00 - OPTIQUE ÉLÉMENTS, SYSTÈMES OU APPAREILS OPTIQUES - Détails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p.ex. des moyens de couplage
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
A flexible push-pull boot extends between a front end and a rear end, a rear portion has a spine and a plurality of ribs extending from the rear end toward the front end. There is also a middle portion from which a plurality of front extensions extend. At least one of the front extensions has an inwardly extending projection on an inside portion of the front extensions to retain a housing therebehind.
A cover for a fiber optic ferrule and ferrule push includes a sleeve extending lengthwise between opposed front and rear ends and defines a lengthwise-extending opening that opens through the rear end for receiving at least a portion of the fiber optic fiber optic ferrule and the ferrule push. The sleeve also includes a top side and an opposing bottom side, and two side walls extending between the top side and the bottom side and along at least a portion of the sleeve. A receiver is disposed in the top side to receive a projection associated with the ferrule push.
An interconnect system is provided that involves pre-installing a connector housing an optical connector in an adapter and a ferrule of the same optical connector on a cable. The ferrule terminates one or more groups of optical fibers, and a ferrule push component is also pre-installed on the same group(s) of optical fibers. The connector housing is configured to receive and retain the ferrule and ferrule push component without being removed from the adapter to simultaneously form the optical connector and install the optical connector in the adapter. Embodiments such an interconnect system involving high fiber-count cables and related installation methods involving many optical connections are disclosed.
A fiber optic connector assembly is mated with a bracket on a printed circuit board at one end and inserted into a backplane adapter that is adjacent a backplane. In particular a spring push in slidingly attached to the bracket and also to the housing of the fiber optic connector assembly. The housing of the fiber optic connector assembly insertable into the backplane adapter using passive alignment features. A fiber optic ferrule in the fiber optic connector assembly is biased in a forward direction by a spring in the spring push. At the same time the spring allows for movement of the spring push within the housing to allow for movement of the printed circuit board relative to the backplane adapter.
A fiber optic ferrule has a main body with a top surface and a bottom surface and extends between a front end and a back end. The front face includes a recessed portion with a plurality of optical lenses. The front face is configured to allow for the plurality of lenses to be on an angle relative to the front face and the fiber optic ferrule will have not any undercuts and allow the fiber optic ferrule to be ejected from a mold without engaging any portions of the mold.
An adapter with novel alignment features engages alignment features on a plug, providing general alignment of the ferrule holders and ferrules in the plug. After the plug engages the adapter, the ferrule holders engage a second set of alignment features in the adapter to provide fine alignment for the ferrules.
An interface provides protection and support for transitioning a jacketed fiber optic cable. The interface has a crimp body, a transition portion and a front end to receive an adapter. The interface preferably has a main body with two pieces that are identical. The two pieces have tabs and recesses corresponding to the tabs for alignment and structure. The main body also may have an opening for an adapter latch. A crimp band fits over the crimp body to secure the jacketed fiber optic cable to the interface.
A fiber optic ferrule having an angled endface is used in a system where the system can detect back reflection if there is an air gap but not if the fiber optic ferrule is physically mated to another optical device such as a fiber optic ferrule or transceiver. The angle of the end face is preferably between 3 and 5° and most preferably about 4° for most systems. No special detection equipment is needed to infer and determine an acceptable physical contact between two mated fiber-optic ferrules having the angled end faces.
An optical transceiver assembly includes an optical transmitter, an optical receiver, and a first multi-fiber ferrule exclusively connected to the optical transmitter via a first set of at least two optical fibers operable to transport respective optical signals away from the optical transmitter. The assembly includes a second multi-fiber ferrule exclusively connected to the optical receiver via a second set of at least two optical fibers operable to transport respective optical signals to the optical transmitter. The first set of at least two optical fibers is separate from the second set of at least two optical fibers.
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
H04B 10/40 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p.ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p.ex. les communications quantiques Émetteurs-récepteurs
H04B 10/25 - Dispositions spécifiques à la transmission par fibres
62.
FERRULE HOLDER FOR MINIATURE MT FERRULE AND ADAPTER INTERFACE FOR MATING WITH FIBER OPTIC CONNECTORS
A combination of a fiber optic ferrule and a fiber optic ferrule holder includes a fiber optic ferrule with a pair of guide pins movable between a non-mating position and a mating position via a spring mechanism. The fiber optic ferrule includes at least one cut-out with a ferrule stop surface associated therewith. The ferrule holder has a central opening in the body and two holder extensions extending longitudinally and forward of the fiber optic ferrule holder, each of the holder extensions include a rear stop surface configured to engage a respective ferrule stop surface on the fiber optic ferrule.
An adapter to mate fiber optic ferrules to respective fiber optic ferrules in a fiber optic connector housing includes a main body having ferrule-side openings and connector-side openings to receive the fiber optic connectors. The adapter includes columns that extend between a top side and a bottom side of the main body, a plurality of triggers attached to the adapter, each of the plurality of triggers having a pair of trigger legs, the trigger legs positioned inside respective columns on opposing sides. There is also a holder extension groove oriented longitudinally in each column and configured to receive a holder extension of a fiber optic ferrule holder and a pair of ferrule stop pedestals on each column on opposite sides of each holder extension groove configured to seat the fiber optic ferrule when the fiber optic ferrule holder is fully inserted into the adapter.
A fiber optic adapter assembly includes an adapter body, a spring clip and a retention cap attached to the adapter body enclosing each of the spring clip and two shutters. The adapter body has a main opening and a plurality of pivot arms extending away from the main opening and two latch arms, each of the latch arms disposed between a pair of the pivot arms causing gaps between the latch arms and the pivot arms, which are sealed by the retention cap. The spring clip has a plurality of fingers moveably contacting each of shutters, which pivot between a first and second position.
An assembly of two fiber optic ferrules allows for the mating of a CWDM fiber optic ferrule with a non-CWDM fiber optic ferrule. The CWDM fiber optic ferrule has optical fibers that carry optical beams with at least two different wavelengths, which the non-CWDM ferrule has optical fibers that carry only one wavelength. The CWDM fiber optic ferrule causes the optical beam to make at least one 90 degree turn. The non-CWDM fiber optic ferrule has a lens pitch that matches the CWDM ferrule.
G02B 6/293 - Moyens de couplage optique ayant des bus de données, c. à d. plusieurs guides d'ondes interconnectés et assurant un système bidirectionnel par nature en mélangeant et divisant les signaux avec des moyens de sélection de la longueur d'onde
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
G02B 6/40 - Moyens de couplage mécaniques ayant des moyens d'assemblage de faisceaux de fibres
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
G02B 27/09 - Mise en forme du faisceau, p.ex. changement de la section transversale, non prévue ailleurs
G02B 6/34 - Moyens de couplage optique utilisant des prismes ou des réseaux
66.
Fiber optic guide pin changer and field tool with adapter
A pin exchanger has protrusions from gripping elements that engage fiber optic guide pins. Guide beams on the pin exchanger provide a reference for aligning the guide pins and the pin exchanger with a fiber optic connector and a fiber optic ferrule. An adapter is also provided that has openings to receive the guide beams. The adapter is preferably installed in a field tool and together they engage the fiber optic connector, align the pin exchanger and move the guide pin holder to allow guide pins to be inserted or removed.
A retaining mechanism engages springs in a fiber optic connector to prevent movement of the springs relative to the fiber optic ferrules and the housing during curing of an epoxy inserted into the fiber optic connector. The retaining mechanism may be removably attached to the housing of the fiber optic connector. It may be inserted from a rear end of the fiber optic connector or disposed around an outside portion of the housing. The retaining mechanism may also be integral with an inside surface of the housing.
An assembly of two fiber optic ferrules allows for the mating of a CWDM fiber optic ferrule with a non-CWDM fiber optic ferrule. The CWDM fiber optic ferrule has optical fibers that carry optical beams with at least two different wavelengths, which the non-CWDM ferrule has optical fibers that carry only one wavelength. The CWDM fiber optic ferrule and the non-CWDM fiber optic ferrule have optical fibers that are inserted along parallel axes. The non-CWDM fiber optic ferrule has a lens pitch that matches the CWDM ferrule.
G02B 6/293 - Moyens de couplage optique ayant des bus de données, c. à d. plusieurs guides d'ondes interconnectés et assurant un système bidirectionnel par nature en mélangeant et divisant les signaux avec des moyens de sélection de la longueur d'onde
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
G02B 27/09 - Mise en forme du faisceau, p.ex. changement de la section transversale, non prévue ailleurs
G02B 6/34 - Moyens de couplage optique utilisant des prismes ou des réseaux
69.
Fiber Optic Connector Adapter with Non-Invasive Integral External Latches for Attachment to an Adapter Panel
An adapter has a main body with a central opening extending between two sides and latches to engage a panel into which the adapter is disposed. The main body also includes latch receptacles on an outside portion to receive the latches when compressed during insertion into the panel. The receptacles are not in communication with the central opening, preventing dirt and debris from entering the central opening from around the latches.
A fiber optic ferrule and a guide pin clamp allows for changing guide pins in the field. The guide pin clamp has a forward clamp portion, a rearward clamp portion configured to engage the biasing spring and a guide pin retaining plate. The forward clamp portion and the rearward clamp portion move relative to one another to also move guide pin retaining plate from a first position to a second position to allow for the removal or insertion of guide pins.
A fiber optic connector has a fiber optic connector shutter that rotates about a first axis and an adapter for the fiber optic connector also has an adapter shutter that rotates about a second axis in the adapter. When the fiber optic connector and the adapter are mated to one another, the axes for the fiber optic connector shutter and the adapter shutter are aligned and the fiber optic connector shutter and the adapter shutter rotate about a single axis. The fiber optic connector shutter and the adapter shutter include structure to maintain engagement during the mating and un-mating of the fiber optic connector and the adapter.
A fiber optic ferrule push includes a main body extending between a front end and a rear end, the main body having a central opening extending between the front end and the rear end to receive a plurality of optical fibers therethrough, a front facing surface configured to engage a rear surface of a fiber optic ferrule, and at least one projection extending outward from the main body to engage a housing configured to receive the fiber optic ferrule, the fiber optic ferrule push may also include a key extending outward from a surface of the main body. The fiber optic ferrule push may be paired with a fiber optic ferrule in a fiber optic assembly.
A push-pull boot for an MPO fiber optic connector has rear portion, a middle portion, a transition portion disposed therebetween, at least two front extensions extending from the middle portion and a cross bar between the at least two front extensions. The push-pull boot has a spine that extends from an end of a rear portion to the transition portion and parallel to a longitudinal axis. The push-pull boot may also have a rear facing surface that is configured to engage a forward facing surface on the outer housing during a pulling operation. It may also have a spring push seat located in the middle portion of the push-pull boot and configured to engage a spring push of the MPO fiber optic connector during a pushing operation of the MPO fiber optic connector.
A fiber optic connector has at least two optical fibers therein have end faces that are positioned such that they are directed in different directions. The end faces can be oriented relative to a key that is provided on a fiber optic connector housing that has a central opening in the main body of the fiber optic connector.
An optical connector assembly (OCA) includes a connector housing to maintain alignment between optical components housed within the OCA and photoelectric converters on an optoelectronic substrate (OES) assembly. The optical components include a ferrule and an optical cable. The ferrule is optically coupled to the optical cable. The OCA includes a ferrule holder to hold the ferrule within the OCA, and a spring located between the connector housing and the ferrule holder. The spring is to apply a separating force between the ferrule holder and the connector housing. The OCA includes a gasket coupled to the connector housing. The coupling of the connector housing to a socket compresses the gasket to provide a seal between the connector housing and the socket.
A multi-fiber, fiber optic connector is provided having a housing having a first end for receiving a multi-fiber fiber optic cable and a second end having openings for the fibers from the cable. First and second keys for setting the polarity of the fibers within the connector located on opposing sides of the connector. The connector has either one of guide pins or guide pin receiving holes for guiding the connection with a second connector. The keys are movable between a first active position and a second retracted position, such that when one of the keys is in the first active position, the fibers are presented within the connector in a first polarity and when the second key is in the first active position, the fibers are presented within the connector in a second polarity reversed from the first polarity.
An optical fiber arranging tool has a base, a top surface, and a recessed channel extending along the base and has a plurality of ribs disposed within the recessed channel. The plurality of ribs have a pitch of 250 microns creating a plurality of grooves for receiving the optical fibers. The tool may also have a latch extending from the top surface of the base on one side of the recessed channel and across the recessed channel to a second side of the recessed channel, there being a slot between the top surface of the base and an underside of the latch and in communication with the recessed channel. A method for aligning the optical fibers at a pitch that is larger than the outer diameter of the optical fibers includes sliding individual optical fibers one by one into slot and the recessed channel, moving an object along the optical fibers in the recessed channel, passing the individual optical fibers through a respective one of a plurality of grooves created by ribs within the recessed channel and maintaining the individual optical fibers at a distance of 0.250 mm at an end of the recessed channel.
An adapter holds a multi-fiber ferrule in position to mate with a multi-fiber ferrule in a fiber optic connector. The adapter includes an adapter body that has a first opening in a first side of the adapter body that receives the multi-fiber ferrule and a second opening in the second side of the adapter body to removably receive the fiber optic connector. The adapter also includes a pair of latches connected to the adapter and disposed adjacent the first opening to engage and hold the multi-fiber ferrule in the adapter. The pair of latches are connected to the adapter body along longer edges of the first opening and extend in a direction away from the first and the second openings, the pair of latches having a terminal end and a non-uniform thickness between the adapter body and terminal ends.
A two-piece spring push includes a main body portion and a cap. The cap is attached to the main body portion through a locking member that is disposed within a slot in the main body. The main body also includes alignment features that are received by the cap. The cap may have a bump that extends into an opening of the main body to limit the movement of optical fibers inserted therein. A front face of the cap engages a portion of a housing of a fiber optic connector when assembled.
A fiber optic connector includes a housing and push-pull boot with a latch body disposed between a front extension of the push-pull boot and a top side of the housing. The latch body has an anti-buckle feature, which may be a projection. The anti-buckle feature movable between a relaxed position and a stressed position, wherein the anti-buckle feature is in contact with the housing in the stressed position to prevent the latch body from buckling.
A two-piece fiber optic connector and a corresponding two-piece adapter allow for the tripling of the optical fibers that can be used with a standard fiber-optic cassette. The two-piece fiber optic connector has a fold-over latch to engage the adapter. The two-piece adapter has at least one latch to engage the standard fiber-optic cassette to retain the two-piece adapter and the fiber optic connectors in the adapter within the cassette. This allows for the retrofitting and/or continued use of the standard fiber-optic cassette.
A fiber optic connector along with a tool allows for the changing of the polarity of the fiber optic connector. Keys may be installed in both the top and the bottom of the fiber optic connector, one in a first position and the other in a second position. Using the tool in one back-and-forth motion, the polarity of the fiber optic connector can be changed. The keys have a configuration that resist an incorrect insertion and provide better retention of the keys in the correct configuration due to a better retention force.
A fiber optic connector housing has a first portion to receive fiber optic ferrule holders and fiber optic ferrules. The fiber optic connector housing also includes a second portion for use during polishing and before one of the fiber optic ferrule holders is rotated 180°. The second portion is removed to allow for rotation and a third portion is attached to the first portion for connection with another fiber optic connector or assembly.
A guide pin insert for an adapter to align two fiber optic connectors includes a central body having an opening configured to allow two fiber optic ferrules to mate therethrough, the opening having a longitudinal axis therethrough, a first guide pin holder in communication with the opening on a first side of the central body to engage a first guide pin, a second guide pin holder in communication with the opening on a second side of the central body to engage a second guide pin, a third guide pin holder spaced from the first guide pin holder along the longitudinal axis to engage the first guide pin, and a fourth guide pin holder spaced from the second guide pin holder along the longitudinal axis to engage the second guide pin.
A new boot for a fiber optic connector has a ribbed back portion, a center portion, and a forward extending portion that can be used to insert and remove the fiber optic connector to receptacle. The ribbed back portion has grasping elements and is connected to the center portion. The center portion is removably connected to a crimp body that is in turn connected to the connector housing. The front extension is connected to the fiber optic connector and also provides a keying feature depending on the side of the fiber optic connector on which it is installed.
Fiber optic assemblies are used to link transceivers carrying a signal from the transmitter portion of one transceiver to the receiver portion of another transceiver. The fiber optic assemblies have fiber optic connectors with a gender of either male or female. When the fiber optic connectors have fiber optic connectors with the same gender, the plurality of optical fibers are inverted and when the fiber optic assemblies have fiber optic connectors with an opposite gender, the plurality of optical fibers are not inverted. The inversion may also occur when the fiber optic connectors have the opposite gender in an alternative embodiment.
A fiber optic ferrule and a fiber optic connector housing make contact only along two sides of the fiber optic ferrule when in an unmated condition. One of the fiber optic ferrule and the fiber optic connector housing have been modified such that only two of the surfaces engage one another. The shoulders can be shortened, lengthened, or have a projection added to the current surfaces.
A fiber optic connector housing has seating features in an internal opening that coordinate with a flange on a fiber optic ferrule to have a secure and precise position for the fiber optic ferrule. There are at least one pair of ramps that may be attached to an inner connector housing wall and an opening wall. The flange has contacts that engage the ramps, which direct the fiber optic ferrule in a rotational direction as well as a translational direction to a final position. The seating features also ensure the correct position after the fiber optic ferrule has been mated and unmated.
A fiber optic ferrule has an entrance surface that is angled at an angle that other than perpendicular to the optical fiber axis. The optical fibers disposed within the fiber optic ferrule are preferably separated from the entrance surface. These features reduce the amount of reflection of the light back into the optical fiber and increase the performance of the fiber optic ferrule.
An optical fiber support structure for an optical fiber includes a substrate having a groove configured to receive the optical fiber and running lengthwise generally parallel to the optical fiber and at least two projections from the substrate and into the groove, each of said at least two projections including a surface to receive the optical fiber. The optical fiber support structures may also be included in a fiber optic ferrule. There may also be a plurality of optical fiber openings included with the fiber optic ferrule.
G02B 6/10 - OPTIQUE ÉLÉMENTS, SYSTÈMES OU APPAREILS OPTIQUES - Détails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p.ex. des moyens de couplage du type guide d'ondes optiques
G02B 6/25 - Préparation des extrémités des guides de lumière pour le couplage, p.ex. découpage
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
G02B 6/40 - Moyens de couplage mécaniques ayant des moyens d'assemblage de faisceaux de fibres
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
92.
Apparatus and method for arraying optical fibers side by side on a pitch greater than the diameter of the fiber
An optical fiber arranging tool has a base, a top surface, and a recessed channel extending along the base and has a plurality of ribs disposed within the recessed channel. The plurality of ribs have a pitch of 250 microns creating a plurality of grooves for receiving the optical fibers. The tool may also have a latch, there being a slot between the top surface of the base and an underside of the latch and in communication with the recessed channel. A method for aligning the optical fibers includes sliding individual optical fibers into a slot and the recessed channel, moving an object along the optical fibers in the recessed channel, passing the individual optical fibers through a respective one of a plurality of grooves created by ribs within the recessed channel and maintaining the individual optical fibers at a distance of 0.250 mm.
A housing (406) for a fiber optic connector includes an opening (426) extending between a front end (422) and a rear end (424), and having an integral spring stop surface between the front end and the rear end. A front section (428) receives an elastic member (404) into the opening (426) from the front end (422) and the elastic member (404) is engageable with the integral spring stop (430) of the housing. There is a middle section (470) of the main body (420) to transition optical fibers between a fiber optic ferrule and a fiber optic cable. A rear section (480) of the main body (420) has an outer surface to engage a crimp ring (408).
A multi-fiber ferrule (100) has a main body with a top portion and a bottom portion, the top portion includes a top cut-out (130) therein to form a first forward facing surface to engage a housing of a fiber optic connector. The top cut-out (130) extends rearwardly from the front end (114). The bottom portion also has a bottom cut-out portion (150) forming a second forward facing surface to engage the housing of the fiber optic connector, the bottom cut-out (150) also extending rearwardly from the front end (114). The multi-fiber ferrule (100) also includes an end face (112) at a front end (114) of the main body (102), and a rear face (116) at a rear end (118) of the main body (102). There is a rear central opening (120) that extends into the main body (102) from the rear end face (116) and configured to receive at least three optical fibers.
A fiber optic ferrule receiver (200) includes a main body (202) that has an opening ( 216) extending between the front end (204) and the rear end (206) and being defined at least by a portion of internal surfaces of the four sides. A first side ( 208) in the opening has first tapered surface (208a) and a second tapered surface (208b), the first tapered surface (208a) reducing the opening ( 216) between the rear end (206) and a first position (220) and the second tapered surface (208b) increasing the opening ( 216) between the first position (220) and the front end (204). There is also a second side (210) in the opening and across the opening from the first side (208), the second side (210) has a third tapered surface (210a) and a fourth tapered surface (210b), the third tapered surface (210a) reducing the opening ( 216) between the rear (206) end and a second position (222) and the fourth tapered surface (210b) increasing the opening ( 216) between the second position (222) and the front end (204). There is also a first projection ( 230) extending into the opening from the first side (208) to engage a first portion of the fiber optic ferrule at the first position (220), and a second projection (240) extending into the opening from second side to engage a second portion of the fiber optic ferrule at the second position (222).
An interconnect system is provided that involves pre-installing a connector housing an optical connector in an adapter and a ferrule of the same optical connector on a cable. The ferrule terminates one or more groups of optical fibers, and a ferrule push component is also pre-installed on the same group(s) of optical fibers. The connector housing is configured to receive and retain the ferrule and ferrule push component without being removed from the adapter to simultaneously form the optical connector and install the optical connector in the adapter. Embodiments such an interconnect system involving high fiber-count cables and related installation methods involving many optical connections are disclosed.
A dust plug for use in a pre-populated adapters has a main body having a top wall, a bottom wall, and two opposing side walls extending between the top wall and bottom wall. The dust plug also includes at least one pair of latches in a front portion of the main body and each of the at least one pair of latches may have an increased thickness at a forward end thereof. The area of increased thickness is sized to engage a receptacle in an inner surface of the housing when the dust plug is attached to the housing. Other versions contemplate not having the increased thickness. The dust plug preferably includes a grip at the back end.
G02B 6/00 - OPTIQUE ÉLÉMENTS, SYSTÈMES OU APPAREILS OPTIQUES - Détails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p.ex. des moyens de couplage
G02B 6/38 - Moyens de couplage mécaniques ayant des moyens d'assemblage fibre à fibre
98.
AN INTERCONNECT SYSTEM AND METHODS OF INSTALLING THE SAME
An interconnect system is provided that involves pre-installing a connector housing an optical connector in an adapter and a ferrule of the same optical connector on a cable. The ferrule terminates one or more groups of optical fibers, and a ferrule push component is also pre-installed on the same group(s) of optical fibers. The connector housing is configured to receive and retain the ferrule and ferrule push component without being removed from the adapter to simultaneously form the optical connector and install the optical connector in the adapter. Embodiments such an interconnect system involving high fiber-count cables and related installation methods involving many optical connections are disclosed.
A method for terminating a fiber optic ferrule included applying a force to a fiber optic ferrule while simultaneously holding the optical fibers. The fiber optic ferrule uses epoxy to hold the optical fibers, the epoxy can be either heat or light cured. The force is applied through a pusher that engages a cap on the front end of the fiber optic ferrule.
A tool is used for inserting and removing an MT-type fiber optic ferrule from an adapter. The tool includes a handle having one or both of an insertion portion and a removal portion. An insertion head is movably coupled to the insertion portion of the handle. A removal head is movably coupled to the removal portion of the handle. The handle has opposing ends for the insertion portion and the removal portion. The handle may have other configurations. A sliding lock may be used to lock the rotatable insertion portion and rotatable removal portion in a fixed position relative to the handle.
