Abstract: An optical connector includes at least one optical fiber, and a ferrule configured to hold the optical fiber. In the optical connector, the ferrule has a hook and a presser member on a front part of a bottom face of the ferrule, and a projection on a rear part of the bottom face of the ferrule, in a connecting direction, and the optical fiber is held obliquely downward from a rear end of the ferrule toward the presser member of the ferrule.

Abstract: A clamp mechanism for fixation of an optical fiber (OSF) with optical shape sensing properties arranged for Optical Shape Sensing. A fixing element preferably with a circular cross section serves to engage with the optical fiber (OSF), and together with an additional fixing arrangement with a straight longitudinal portion arranged for engaging with the associated optical fiber (OSF), a fixation of a section of the optical fiber (OSF) is provided with the optical fiber (OSF) in a straight position. In some embodiments, the clamp mechanism can be implemented by three straight rods (R1, R2, R3) with circular cross section, e.g. with the same diameter being a factor of such as 6.46 times a diameter of the optical fiber (OSF). Hereby an effective fixation and straightening of the optical fiber (OSF) without disturbing strain can be obtained with a clamp mechanism which is easy to assemble and disassemble in practical applications e.g.

Abstract: A spring push for a fiber optic connector includes an engagement member having a slot to receive a handle that also engages a distal portion of the engagement number. The spring push, along with the handle, allows for fiber optic connectors to be installed and removed from adapters in high density applications. The spring push can be installed into a connector housing and, along with other components, be a fiber optic connector. The engagement member may also originate from other parts of the fiber optic connector.

Abstract: A laser beam mixing apparatus to convert a laser beam bundle into a single laser beam having a uniform energy density. The laser beam mixing apparatus includes: a barrel to adjust a distance between a multi-core optical cable and an optical lens included therein, to convert a laser beam bundle into a single beam; and a stage to adjust the position and angle a single-core optical cable with respect to the optical lens, to align the core of the single-core optical cable with the center of the single beam.

Abstract: Disclosed are a high-density fiber connector and an assembly method thereof. The connector, adapted for use with a fiber adapter, comprises a connector casing, a ferrule, a spring and a boot, wherein the connector casing has a cross width of 2.5 mm to 4.5 mm. The connector casing comprises a front casing and a rear casing, which lock up one another to form a cavity. The tail of the connector casing is connected with a boot. On the connector casing are sequentially arranged a guide block and an elastic arm from the front toward the back. A fixed end of the elastic arm is oriented toward the tail of the connector, while a free end faces an insert end of the connector and includes a retaining bump. The ferrule 2 is fastened with the ferrule tailstock 3 and penetrates through a through hole at the front of the connector casing. The spring is compressed between the ferrule tailstock and a thrust block formed by inner walls of the connector casing.

Abstract: An OCT probe for imaging patient tissue may include an actuation system arranged to displace an optical fiber within a cannula. The actuation system may include a driver actuatable to displace a portion of the optical fiber, with the driver acting in an angled direction relative to the axis of the cannula. The actuation system also may include a pivot feature operably engaged with the optical fiber in a manner permitting the optical fiber to pivot on the pivot feature when the driver actuates to displace the portion of the optical fiber.

Abstract: A connector comprising: (a) at least one multi-fiber ferrule having a front face presenting a plurality of fiber end faces, and a back face having a first surface and defining a first orifice through which the fibers pass; (b) a retainer for holding the at least one multi-fiber ferrule, the retainer comprising a front face having a second surface and defining a second orifice through which the fibers pass, the second surface contacting the first surface; wherein at least one of the first or second surface is convex along at least one of an x-axis or a y-axis such that the at least one multi-fiber ferrule is able to move relative to the retainer about at least one of the axes.

Abstract: A laser system can include an optical fiber having a spatial filter defined as a core extension coupled to or integrally formed in an optical fiber so as to reduce the coupling of optical radiation into a fiber cladding. Such a core extension can be formed by removing a length of the cladding from the optical fiber, leaving a portion of the core exposed at the end of the fiber. Alternatively, a core extension can be formed by coupling an end cap to the core of the optical fiber at a fiber end surface. By selecting a length of the core extension based on a beam divergence and beam diameter, radiation coupling into the fiber core can be reduced.

Abstract: A fiber optic connector comprising a main connector body having a plurality of removable sub-connectors retained therein is disclosed. Each sub-connector has a ferrule for retaining a pair of optical fibers, such as a transmit/receive pair for example. When the main connector body of the fiber optic connector is inserted into a receptacle, each of the optical fibers retained in each ferrule of the plurality of sub-connectors is optically connected to the fiber optic receptacle. In this manner, the fiber optic connector can connect and disconnect a plurality of optical fibers in the sub-connectors at the same time. Additionally, individual sub-connectors can be removed, rearranged and replaced, without disturbing the optical connections of the other sub-connectors. This arrangement thus eliminates the need for breakout cables or other bulky solutions to convert between different multi-fiber and duplex applications.

Abstract: Fiber optic cable assemblies and fiber optic terminals supporting port mapping for series connected fiber optic terminals are disclosed. In one embodiment, a fiber optic cable assembly is provided. The fiber optic cable assembly includes a fiber optic cable having a plurality of optical fibers disposed therein between a first end and a second end of the fiber optic cable. The plurality of optical fibers on the first end of the fiber optic cable are provided according to a first mapping. The plurality of optical fibers on the second end of the fiber optic cable are provided according to a second mapping. In this regard, the fiber optic cable assembly provides port mapping of optical fibers to allow multiple fiber optic terminals having the same internal fiber mapping to be connected in series in any order, while providing the same connectivity to each of the terminals in the series.

Abstract: Optical connectors are provided for connecting sets of optical waveguides (104), such as optical fiber ribbons to each other, to printed circuit boards, or to backplanes. The provided connectors (100) include a housing (110) that has an attachment area (102) for receiving and permanently attaching a plurality of optical waveguides. Additionally, the provided connectors include a light coupling unit (120) disposed in and configured to move with the housing. The provided connectors also include a second attachment area (108) for receiving and permanently attaching to the plurality of optical waveguides that causes each optical waveguide to be bent between the two attachment areas. The provided connectors utilize expanded beam optics with non-contact optical mating resulting in relaxed mechanical precision requirements. The provided connectors can have low optical loss, are easily scalable to high channel count (optical fibers per connector) and can be compatible with low insertion force blind mating.

Abstract: A unitary multi-fiber ferrule has micro-holes for optical fibers, and a plurality of lenses disposed adjacent the front end, each of the plurality of lenses optically aligned with one of the micro-holes and exposed to air. Multiple rows of optical fibers and lenses may also be used in the unitary multi-fiber ferrule. The lenses have a divergence half angle of between about 2 and 20 degrees and may also have protrusions on them acting as an antireflective coating.

Abstract: The optical connector has the receptacle which is fastened to the board provided with the optical waveguides and has the plug which holds the optical fibers and is connected to the receptacle. The receptacle has the positioning member which positions the optical fibers to the optical waveguides to connect them optically by abutment against the plug and has the fastening member which is fastened to the board and fastens the positioning member to the optical waveguides.

Abstract: Embodiments of the present invention provide an optical fiber connector assembly, an optical fiber adapter, and an optical fiber connector to solve the problem of inconvenience in use caused by using a thread-locking manner in the prior art. The optical fiber connector, optical fiber adapter and optical fiber connector assembly provided in the present invention may be used as an outdoor connector to achieve plug and play. The optical fiber connector supports blind-mate, and the operation is convenient. Time taken to install and disassemble the optical fiber connector provided in the present invention is only one-fifth of the time taken to install and disassemble a common thread connector.

Abstract: An optical communications module includes a housing that accommodates at least one optical receptacle having a cylindrical connector portion. The module further includes at least one deformable constraining member made of a material having a Young's modulus that allows the deformable constraining member to take on an initial deformity upon application of a compression force, but permits only a partial reversal of the deformity upon reduction or removal of the compression force. The initial deformity is created when the deformable constraining member is pressed against the cylindrical connector portion during assembly of the module. The initial deformity includes a deformed contour portion that conforms to at least a part of the cylindrical connector portion of the optical receptacle and prevents wiggling of the cylindrical connector portion after the cylindrical connector portion is pushed during assembly into an alignment notch provided in a lower housing portion of the module.

Abstract: A ganged connector housing is configured to receive a plurality of single-fiber connectors. Each connector is removably retainable at a respective location in the connector housing. Each single-fiber connector comprises a ferrule configured to receive and retain a single multicore fiber. The single-fiber connectors have a high-density packing footprint within the connector housing. Each single-fiber connector and its respective ferrule is configured to enable individual repositioning, tuning, alignment, repair or replacement of a respective multicore fiber terminated therein, independent of other optical fibers within the plurality of single fiber ferrules, and without requiring replacement of the entire set of multicore fibers.

Abstract: A terminus assembly is provided for terminating an optical cable that includes a plastic optical fiber (POF) having a tip segment that includes a tip surface. The terminus assembly includes a shell that includes a cable passage. The cable passage is configured to receive at least a portion of a length of the optical cable therein such that the tip segment of the POF extends within the cable passage. A POF stub is held by the shell. The POF stub extends a length from a mating end to a fiber end. The mating end of the POF stub is configured to optically couple with a mating POF of a mating connector. The fiber end of the POF stub includes a coupling surface. The POF stub is held by the shell such that the fiber end extends within the cable passage of the shell. The coupling surface of the fiber end is configured to be aligned with the tip surface of the POF within the cable passage of the shell such that the POF stub is optically coupled to the POF.

Abstract: An optical communication module include a housing having a circuit element configured to provide an optical communication function, and a rotatable connector assembly coupled to the housing, the rotatable connector assembly configured to rotate between a first position and a second position, wherein when in the first position, the rotatable connector assembly allows the communication module to interface with a first form factor card cage and when in the second position, the rotatable connector assembly allows the communication module to interface with a second form factor card cage.

Abstract: An adapter is provided for interfacing MOF connectors with one another where the MOF connectors have optical pathways that bend by a non-zero-degree angle (e.g., 90°±15°) in between the ends of the optical fibers held in the connectors and the output facets of the connectors. The adapter is configured to mate with two such connectors and to bring their optical pathways into precise optical alignment with one another.

Abstract: A speed reducer for an industrial robot includes a speed reducer main body and a lubricant deterioration sensor for detecting deterioration of a lubricant in the speed reducer main body. The lubricant deterioration sensor includes a light emitting element for emitting light, a color light receiving element for detecting a color of received light, a clearance forming member forming an oil clearance in which the lubricant enters, and a support member supporting the light emitting element, the color light receiving element, and the clearance forming member. The clearance forming member is transmissive so that the light emitted from the light emitting element transmits therethrough. The oil clearance is provided on an optical path from the light emitting element to the color light receiving element.

Abstract: The invention relates to a fiber-optic connection arrangement, with the connection arrangement (21) comprising a fiber-optic adapter (2), with the fiber-optic adapter (2) having a first connecting device (38) for a first connecting plug (11) and a second connecting device (6) for a second connecting plug (17), with the first and the second connecting devices (38, 6) being different, with the fiber-optic adapter (2) having at least one first adapter-side attachment means, with the first adapter-side attachment means being in the form of an external thread (8) with a first adapter-side nominal diameter, wherein the connection arrangement (21) furthermore comprises an adapter sleeve (26), with the adapter sleeve (26) having a first end section (27) with a first opening (28), and a second end section (29) with a second opening (30), with the first end section (27) having a first sleeve-side attachment means, with the first sleeve-side attachment means being in the form of a first internal thread (36), with the fi

Abstract: A fiber optic connector and fiber optic cable assembly is disclosed. The assembly includes a fiber optic cable having a plurality of optical fibers. The assembly also includes a connector body, a multi-fiber ferrule and a protective housing. The fiber optic cable is anchored to a proximal end of the connector body and the multi-fiber ferrule is mounted at a distal end of the connector body. The multi-fiber ferrule supports end portions of optical fibers of the optical fiber cable. The protective housing mounts over the connector body. A dimensionally recoverable sleeve prevents contaminants from entering the protective housing through a proximal end of the protective housing. A dust cap and sealing member prevent contaminants from entering the protective housing through a distal end of the protective housing.

Abstract: A clip for an optical fiber adapter according to the present disclosure includes a horizontal portion, two vertical portions, two elastic stopping portions and an elastic sheet. The vertical portions extend downward from the horizontal portion. The elastic stopping portions extend from the vertical portions, respectively. The elastic sheet extends upward from the horizontal portion.

Abstract: Provided are an opto-electric hybrid board which eliminates the necessity of an aligning operation of a core of an optical waveguide unit and an optical element of an electric circuit unit and which is excellent in mass-productivity, and a manufacturing method therefor. The opto-electric hybrid board includes an optical waveguide unit and an electric circuit unit having an optical element mounted thereon, the electric circuit unit being coupled to the optical waveguide unit. The optical waveguide unit includes fitting holes which are formed in a surface of an overcladding layer and are located and formed at predetermined locations with respect to one end surface of a core. The electric circuit unit includes protruding portions which fit into the fitting holes and are located and formed at predetermined locations with respect to the optical element.

Abstract: A fiber optic plug, suitable for multi-core fiber (MCF), is structured to hold satellite cores of the MCF in a precise angular positions so as to attain suitable alignment with satellite cores of a mating connector. The plug includes features to permit a ferrule holding the MCF to move longitudinally relative to the connector's housing, so that a spring may control a mating force to an abutting ferrule of a mating connector. The ferrule may be held by ferrule barrel having splines projecting away from an outer peripheral surface. The splines may slide longitudinally within notches of the connector housing or a strength member attached to the connector housing. The notches and splines have a tight tolerance, so that the satellite cores remain in a desired, set angular position.

Abstract: An optical communications module includes a receptacle with a stop member. The receptacle has a keyway and a latchway. The keyway is configured to receive and guide a body of the connector plug in a direction along a keyway axis. The latchway is defined by a total flexure range of the flexible latch arm between a fully flexed state and a fully relaxed state. The latchway is configured to receive and guide the flexible latch arm through a range of movement having a directional component perpendicular to the keyway axis. The stop member extends from a wall of the receptacle into the latchway. The stop member is configured to restrain the flexible latch arm in a latched state between the fully flexed state and the fully relaxed state.

Abstract: A backlash prevention tool is formed by provision of a C-shaped frame-like support portion installed to an engagement surface portion hollowed out and formed from a side wall surface of an adapter main body toward upper and lower wall surfaces, a come-off preventing locking piece protruded in a diagonally outer direction from a center side edge of the support portion so as to face to locking protrusions formed at the center of both side surface portions of the adapter main body, and backlash preventing locking pieces protruded in diagonally outer directions of respective side edges in both sides and upper and lower sides of the come-off preventing locking piece at the center of the support portion so as to come into pressure contact with respective sides of an inner side of an opening edge of an adapter attaching hole of a panel and are formed into a leaf spring.

Abstract: A fiber optic connector includes a front housing having sidewalls each defining a slot and a rear insert with a pair of locking flanges extending radially away, the locking flanges configured to snap-fit into the slots, each locking flange defining a front face and a rear face, the radially outermost portion of the rear face defining an edge, the edge being the rearmost extending portion of the locking flange. Another fiber optic connector includes a front housing defining a front opening at a front end, a circular rear opening at a rear end, and an internal cavity extending therebetween. A rear insert including a generally cylindrical front portion is inserted into the front housing through the circular rear opening, the front portion defining at least one longitudinal flat configured to reduce the overall diameter of the generally cylindrical front portion configured to be inserted into the front housing.

Abstract: Provided is a single-fiber connector including a housing; and a single-position ferrule disposed within the housing, the single-position ferrule including a single fiber hole which extends though the housing parallel to a longitudinal center axis of the ferrule and is configured to receive a fiber. The fiber hole is disposed in the ferrule at a fiber position located according to a predetermined distance offset from the longitudinal center axis of the ferrule and a rotation of a predetermined number of degrees around the longitudinal center axis of the ferrule in a predetermined direction.

Abstract: An optical lens connector includes alignment features for passive connection alignment. The alignment features are C-shaped and have generally planar surfaces to interface with a mating connector. The alignment features passively align an optical fiber with an optical lens in the optical lens connector, by fitting adjacent to planar surfaces of the mating connector. When interfaced together, the alignment features restrict lateral and vertical motion of the connectors with respect to each other, which helps keep the optical lens aligned with the optical fiber.

Abstract: A connector assembly including an outer housing having a front end, a back end, and a central axis extending therebetween. The outer housing has a passage that extends therethrough. The connector assembly also includes a slidable connector that is disposed within the passage. The slidable connector includes a communication module. The connector assembly also includes a spring frame that is positioned between the slidable connector and the outer housing. Prior to mating with a mating connector, the spring frame mechanically couples the slidable connector with respect to the outer housing. After the mating connector and the communication module are communicatively coupled, the spring frame releases the slidable connector from the outer housing such that the slidable connector is permitted to move relative to the outer housing. The spring frame mechanically couples the slidable connector relative to the mating connector.

Abstract: An optical connector includes a first optical-electric coupling element and a second optical-electric coupling element. The first optical-electric coupling element includes a first side surface and a second side surface facing away from the first side surface. The first optical-electric coupling element includes two extension portions substantially perpendicularly extending from the first side surface. Each extension portion includes an inside surface substantially perpendicular to the first side surface. Each extension portion includes a rotation post substantially perpendicularly extending from the inside surface. The second optical-electric coupling element includes a third side surface. The second optical-electric coupling element includes a protrusion portion substantially perpendicularly extending from the third side surface. The protrusion portion includes two outside surfaces substantially perpendicular to the third side surface.

Abstract: As only either of light emitting side wirings and light receiving side wirings crossover each other, the same connectors 30 may be mounted at opposite ends of an optical fiber. Thus, it is possible to provide an optical connector module at low cost. Further, as the optical fiber is connected straight from one side to the other side, an assembly process is easy.

Abstract: An optical cable assembly includes an optical cable having an end. The optical cable includes a plastic optical fiber (POF) having a tip segment that includes a tip surface. The optical cable assembly also includes a socket terminus assembly that terminates the end of the optical cable and is configured to mate with a pin terminus assembly. The socket terminus assembly includes a terminus body having a cable passage. At least a portion of the end of the optical cable extends within the cable passage such that the tip surface of the tip segment of the POF is configured to engage a mating POF of the pin terminus assembly to optically couple the POF to the mating POF.

Abstract: An optical signal coupling assembly includes a first connector and a second connector. The first connector includes a first main body and a number of first optical coupling lenses. The second connector includes a second main body and a plurality of second optical coupling lenses to be optically coupled with the first optical coupling lenses. The first main body further includes two first connecting members, and the second main body further includes two second connecting members. The second connecting member matches with the first connecting member, the first connecting member and the second connecting member are configured for both fixing and aligning the first connector with the second connector.

Abstract: An optical connector includes a first engaging member holding at least one first optical fiber to guide light from a light source, a second engaging member holding a second optical fiber to be optically connected to the first optical fiber, and configured to be engaged with the first engaging member, and a light shield member provided near an emission end of the first optical fiber, at such a position as to shield light from the first optical fiber at disengagement of the engaging members. The light shield member is pushed by the second engaging member at engagement of the engaging members, so as to be folded and evacuated in a gap. The light shield member includes a light absorption member to absorb light and to generate heat, a thermal diffusion member to diffuse and radiate the heat, and a base supporting the light absorption member and thermal diffusion member.

Abstract: A fiber optic adapter is disclosed. The fiber optic adapter includes a main body configured to receive a first fiber optic connector through a first end and a second fiber optic connector through a second end for mating with the first fiber optic connector. The adapter includes a ferrule alignment structure located within an axial cavity of the main body, the ferrule alignment structure including a sleeve mount and a ferrule sleeve, the sleeve mount including an axial bore and at least one latching hook extending from a center portion of the sleeve mount toward the first end of the main body and at least one latching hook extending from the center portion toward the second end of the main body, the latching hooks configured to flex for releasably latching the first and second fiber optic connectors to the fiber optic adapter.

Abstract: A connectorized fiber optic cabling assembly includes a loose tube fiber optic cable and a connector assembly. The cable has a termination end and includes: an optical fiber bundle including a plurality of optical fibers; at least one strength member; and a jacket surrounding the optical fiber bundle and the at least one strength member. The connector assembly includes a rigid portion and defines a fiber passage. The connector assembly is mounted on the termination end of the cable such that the optical fiber bundle extends through at least a portion of the fiber passage. The plurality of optical fibers of the optical fiber bundle have a ribbonized configuration in the rigid portion of the connector assembly and a loose, non-ribbonized configuration outside the rigid portion. The plurality of optical fibers undergo a transition from the ribbonized configuration to the loose, non-ribbonized configuration in the rigid portion of the connector assembly.

Abstract: A method of manufacturing an optical cable including plural waveguides each including plural optical channels and each of the waveguides and the optical channels having a first end and a second end. A central portion of each of the waveguides is displaced along a central longitudinal axis of the waveguides which traverses a central bifurcation line of the first and second connectors. A first optical channel connection pattern is formed on the first connector by the first ends of the optical channels of the waveguides connected thereto; and a second optical channel connection pattern formed on the second connector by the second ends of the optical channels of the waveguides connect to the second connector. The first optical channel connection pattern is a different pattern than the second optical channel connection pattern in relation to a connection hole pattern which is the same for both the first and second connectors.

Abstract: An adapter housing for receiving a plurality of multi-fiber connectors includes a rectangular, box-like housing structure having opposing side walls and a back wall that to adapted to mount in a 2-U space in an equipment rack, wherein the housing structure has a width of no greater than about 17.75 inches and a height of no greater than about 3.50 inches. A bank of adapters is provided for receiving multi-fiber connectors. The bank of adapters includes individual connector-adapter-connector locations that together receive at least 200 multi-fiber connector pairs within the housing structure.

Abstract: Methods of reducing and/or avoiding fiber ordering during preparations of a multi-fiber, fiber optic cable to provide a connectorized multi-fiber, fiber optic cable system, and related fiber optic cables and assemblies are also disclosed. The embodiments disclosed herein allow for a section of a multi-fiber, fiber optic cable to be prepared to form two or more connectorized fiber optic cables as part of a multi-fiber cable system without requiring specific fiber ordering in the fiber optic connectors. The natural ordering of the optical fibers in the fiber optic cable is fixed in place in at least one section of the fiber optic cable before the optical fibers are cut to form adjacent fiber optic connectors in the cable system. Thus, the fiber ordering between adjacent fiber optic connectors in the cable system will be the same even though the fiber ordering of the optical fibers was random during cable preparations.

Abstract: A fiber optic link connection system facilitates connection between two arrays of optical fibers. Two female-type connector plugs, each attached to a respective end of two fiber optic arrays, are inserted into the open ends of a connector guide sleeve. Two guide pins are captured by intrusions within the guide sleeve in order to mate with and align the two plugs. Guide capture pins and associated springs are disposed within the guide pin intrusions to capture the guide pins. Such an arrangement not only protects the guide pins from damage, but also promotes connector compatibility.

Abstract: An optical connector includes a fiber element incorporating one or more optical fibers, the optical fiber including a plurality of cores, and an optical element including an array of optical waveguides arranged in one or more layers so as to match the geometry of the plurality of cores of the optical fiber.

Abstract: An interconnect assembly includes an optical fiber cable, legs, connectors, and covers. The optical fiber cable includes a jacket and sub-units. The jacket has an interior defining a passage and the sub-units extend through the passage and include optical fibers extending lengthwise through the sub-units. The legs of the interconnect assembly extend from the passage on an end of the jacket, where the legs are continuations of or extensions from the sub-units such that the optical fibers further extend through the legs. The connectors are attached to the optical fibers on distal ends of the legs and the covers are attached to the connectors. The covers each include an end having a track for wrapping one or more of the legs over in order to package the legs and connectors, such as for placement of the legs and connectors within a pulling grip for installation of the interconnect assembly through a duct.

Abstract: A fiber optic connector assembly includes a first electrically insulating body having a contact hole and a guide hole both formed in the first insulating body. A first fiber optic adapter is mounted in the contact hole of the first insulating body. A second electrically insulating body has a contact hole and a guide hole both formed in the second insulating body. A second fiber optic adapter is mounted in the contact hole of the second insulating body. A guide bushing is received in the guide hole in the first insulating body. A guide pin is received in the guide hole in the second insulating body. The first insulating body is configured for mating with the second insulating body such that the guide pin is received in the guide bushing in close tolerance to precisely guide the fiber optic termini into engagement with each other.

Abstract: An optical connector includes a first optical-electric coupling element and a second optical-electric coupling element. The first optical-electric coupling element includes a first side surface and a second side surface facing away from the first side surface. The first optical-electric coupling element includes two extension portions substantially perpendicularly extending from the first side surface. Each extension portion includes an inside surface substantially perpendicular to the first side surface. Each extension portion includes a rotation post substantially perpendicularly extending from the inside surface. The second optical-electric coupling element includes a third side surface. The second optical-electric coupling element includes a protrusion portion substantially perpendicularly extending from the third side surface. The protrusion portion includes two outside surfaces substantially perpendicular to the third side surface.

Abstract: This disclosure provides systems, methods, and devices for connecting optical fibers. In one aspect, a connector includes a transfer tube for equalizing the pressure between two chambers within the two connectors when the connectors are mated. The chambers may house biasing elements coupled to optical fiber holders to provide a pressure independent force against optical fiber terminals. The optical fiber holders may include side openings for receiving optical fibers.

Abstract: An optical fiber connector includes a main body, a number of lens portions, a number of restricting members, and a number of optical fibers. The main body includes a first side surface and a second side surface opposite to the first side surface. The main body defines a cavity between the first and second side surfaces, and a number of accommodating holes extending through the first side surface and communicating with the cavity. The lens portions are positioned on the second side surface, and each lens portion is coaxial with a corresponding accommodating hole. The restricting members are arranged in the cavity. The optical fibers are fixed in the accommodating holes. Each optical fiber is restricted by a corresponding restricting member and an end of each optical fiber is fixed at the focal plane of a corresponding lens portion.

Abstract: The present invention provides a connector unit that can surely position and connect a plurality of optical fiber plugs in a short time and easily release a connected state of optical fiber connectors even if the number of optical fiber connectors increases. A connector unit includes a positioning member for positioning a plurality of optical fiber plugs, an adapter that has plug guide holes for inserting tip ends of the optical fiber plugs to connect with the optical fiber plugs, and guide portions for guiding the positioning member with respect to the adapter and inserting the tip ends of the optical fiber plugs into the plug guide holes of the adapter to connect with the optical fiber plugs.

Abstract: Methods are provided for validating the continuity of one or more optical fibers upon which a fiber optic connector is mounted. Typically, the fiber optic connector is mounted upon an optical field fiber by actuating a cam mechanism to secure the optical field fiber in position relative to an optical fiber stub. If subsequent testing indicates that the continuity of the optical field fiber and the optical fiber stub is unacceptable, the cam mechanism can be deactuated, the optical field fiber can be repositioned and the cam mechanism can be reactuated without having to remove and replace the fiber optic connector.