Abstract: Optical distribution systems for data centers or similar networks are disclosed, where one or both ends of a high fiber-count backbone cable branch out once to serve multiple buildings. The optical distribution systems include the backbone cable, an enclosure that receives an end portion of the backbone cable, a plurality of tether cables connected to the backbone cable within a sealed interior of the enclosure and extending from the enclosure, and a plurality of multiport terminals each receiving one of the tether cables and including connection ports for an auxiliary cable that can extend to one of the buildings. Related methods are also disclosed.

Abstract: An optical fiber connector sub-assembly a ferrule holder configured to hold a ferrule at a front portion of an optical fiber connector, a ferrule housing configured to slidingly receive the ferrule holder and configured to be coupled to an end of a fiber optic cable that includes an optical fiber, and a spring configured to be nonrotatably coupled with the ferrule holder and the ferrule housing. The spring is configured to prevent the ferrule from rotating relative to the end of the fiber optic cable while permitting the ferrule holder to slide axially relative to the ferrule housing, and the spring is configured to reduce a load on the ferrule when a load is applied to the fiber optic cable so as to prevent degradation of a signal being transmitted by the fiber.

Abstract: In a fiber connection structure with optical connectors according to one embodiment, among m first connector port groups, arrangement orders of colors of a plurality of the optical fibers in (2×j?1)th (j is a natural number satisfying 1?j and 2×j?m) first connector port groups are the same, and among the m first connector port groups, arrangement orders of the colors of the plurality of optical fibers in (2×j)th first connector port groups are the same. The arrangement order of the colors of the plurality of optical fibers in the (2×j)th first connector port group is a reverse order of the arrangement order of the colors of the plurality of optical fibers in the (2×j?1)th first connector port group.

Abstract: Disclosed are systems and devices for managing wires and cables associated with residential, commercial, industrial, and utility-scale solar panel installations. The system can include wire management clips. Some of the wire management clips described can attach to the sides and tops of rails that are used to mount solar panels. Others can attach to the return flange (i.e., inner lip) of a solar panel frame. The wire management clips that mount to the return flange can be used in both rail and rail-less solar panel assemblies.

Abstract: A connector includes a housing body, a lock arm and a sub lock portion. The lock arm and the sub lock portion lock a mating housing to hold the housing body and the mating housing in a connected state. The lock arm is shaped to project from the housing body and be deflectable and deformable. The sub lock portion is arranged at a position facing the lock arm in a deflecting direction of the lock arm in the housing body.

Abstract: A fiber optic assembly is provided including a housing having an exterior and an internal volume, a cable port configured for a plurality of fiber optic cables to pass from the exterior to the internal volume of the housing, and a cable strain relief. The cable strain relief includes a base and a restraint projection extending from the base. The restraint projection includes opposing first second faces, a leading edge facing the internal volume, and a trailing edge facing the exterior. The restraint projection is configured to receive the plurality of fiber optic cables banded at a first location disposed at the leading edge and a second location disposed at the trailing edge, such that a portion of the plurality of fiber optic cables is disposed at the first and second faces, and the restraint projection resists lateral movement of the plurality of fiber optic cables relative to the base.

Abstract: A tracer wire holder for use in securing tracer wires along the top of a pipe before burial. The tracer wire holder is comprised of a first section and a second section connected by a flexible planar intermediate section. The first section has generally arcuate outer and inner walls. The second section has generally planar outer and inner walls and a plurality of rib members projecting from the inner wall. Locking means is provided to secure first section with second section in a closed locked position The first and second sections form a cavity for receiving and securing a tracer wire when the first section is secured with the second section.

Abstract: A unitary optical ferrule is molded to include one or more elements for receiving and securing one or more optical waveguides one or more elements for affecting one or more characteristics of light from the optical waveguide while propagating the light within the ferrule. The optical ferrule also includes one or more first alignment features and one or more second alignment features that, when the ferrule is mated with a mating ferrule, each controls alignment of the ferrule with the mating ferrule along three mechanical degrees of freedom. The surface of the optical ferrule can be divided along the thickness axis into a first section and an opposing second section, wherein the first section of the surface includes the receiving and securing elements, the light affecting elements, and the first alignment features and the second section of the surface includes the second alignment features.

Abstract: Devices, arrangements and methods for fixing telecommunications cables relative to a telecommunications closure. Features of the devices and arrangements can make more efficient use of an interior closure volume and enhance a closure's capabilities with respect to handling different types of telecommunications cables and optical fiber routing schemes.

Abstract: Devices, assemblies and methods for anchoring and tightening strength member yarn of a telecommunications cable. The strength member yarn is routed through channels defined in a cable fixation body and pulled into one or more recesses positioned between one of the channels and the cable jacket to tightly anchor the strength member yarn.

Abstract: Embodiments of the disclosure are directed to fiber optic closure terminals with increased versatility. A fiber optic closure terminal is provided that includes a mount assembly for mounting at least one fiber optic module within a housing. The mount assembly includes a pivotable plate and a translatable plate configured to pivot the at least one fiber optic module greater than ninety degrees thereby providing better access to fiber management features at a bottom of the base of the fiber optic closure terminal. The improved access increases versatility by facilitating installation and/or maintenance of connecting a fiber optic cable to optical connections in the fiber optic module(s). The fiber optic closure terminal can also include a strain relief assembly configured for attachment and removal from the base of the housing for increased versatility regarding installation and/or maintenance of the fiber optic closure terminal.

Abstract: A method for manufacturing a circuit board structure with a waveguide is provided. The method includes: providing a plate including a top wall and sidewalls disposed on the top wall, an opening being defined between ends of two adjacent sidewalls away from the top wall; forming a conductive layer on the plate to obtain a conductive plate; providing a circuit board, the circuit board comprising an outer circuit layer; mounting the conductive plate on the outer circuit layer, causing the outer circuit layer to be disposed on the opening. The two adjacent sidewalls, the top wall between the two adjacent sidewalls, and the circuit board between the two adjacent sidewalls cooperatively constitutes a tube body of the waveguide, and the conductive layer and the outer circuit layer on an inner surface of the tube body cooperatively constitute a shielding of the waveguide.

Abstract: An adapter panel arrangement including a chassis and a panel of adapters. The adapters defining rearward cable connections and forward cable connections of the panel arrangement. Openings permitting access to the rearward and forward cable connections of the adapters are provided. The chassis further including a removable rear chassis portion to provide access to cable routing areas within the chassis interior.

Abstract: A fiber optic telecommunications device includes a fiber optic cassette comprising a body defining a front and an opposite rear and an enclosed interior. A fiber optic signal entry location is defined on the body for a fiber optic signal to enter the interior via a fiber optic cable. An adapter block defines a plurality of fiber optic adapters and is removably mounted to the body with a snap-fit interlock, each adapter including a front outer end, a rear inner end, and internal structures allowing mating of optical connectors mounted to the front and rear ends, respectively. A removable spacer is mounted to the body, the spacer configured to expand the size of the enclosed interior of the cassette and a removable cover is mounted to the spacer. Connectorized optical fibers extend from the fiber optic signal entry location to the rear inner ends of at least some of the fiber optic adapters for relaying the fiber optic signal to fiber optic connectors to be coupled to the front outer ends of the adapters.

Abstract: The present disclosure describes embodiments of a connector and an optical module, pertaining to the technical field of optoelectronic devices. The connector includes a substrate provided with a through-hole passing through the substrate from a first board surface to a second board surface thereof. The second board surface faces opposite from the first board surface. The first board surface is provided with a first groove and a second groove, and the first groove and the second groove respectively are configured to adapt to different optical fiber splices.

Abstract: The present disclosure relates to optical fiber alignment devices and systems for use in implementing optical splices between optical fibers. In certain examples, the optical fiber alignment devices and systems can include fiber alignment structures capable of clamping optical fibers in a co-axially aligned orientation.

Abstract: A break-out assembly includes an enclosure defining a first port at the first end to receive an optical cable and a second port at the second end to receive a plurality of break-out cables. Each port leads to the interior of the enclosure. A cable retention region defined within the enclosure at the second end is configured to enable the break-out cables to each secure to the enclosure at one of a plurality of axial locations. Certain types of break-out assemblies include other cable retention regions to axially and/or rotationally secure the optical cable to the enclosure. A splice retention region is disposed within the enclosure between the first port and the second cable retention region. The splice retention region receives optical splices at which optical fibers of the optical cable are spliced to optical fibers of the break-out cables.

Abstract: There are provided an optical receptacle having an optical fiber including a first portion on another end surface side, a third portion on one end surface side, and a second portion between the first portion and the third portion; a core diameter at the first portion is smaller than the core diameter at the third portion; the core diameter at the second portion increases from the first portion side toward the third portion side; a first elastic member is provided between the optical fiber and an inner wall of a through-hole; a holder holds the another end surface side of a fiber stub; and the sleeve holds the one end surface side of the fiber stub.

Abstract: A space saving wall mount enclosure for receiving a small number of optic fiber cassettes. The enclosure receives a rack which is rotatable about a rack axis between a first closed position wherein the cassettes are held within the enclosure and the enclosure door may be closed and a second open position where the rack is rotatable outwards allowing for the insertion or removal of the cassettes.

Abstract: Fiber optic connection assemblies that may include hybrid adapters and connector assemblies are generally described. The hybrid adapter may be configured to connect a first connector type and a second connector type, the first connector type being different from the second connector type. For example, the first connector type may be a micro connector and the second connector type may be an LC connector. A connector assembly may be configured as a micro connector having a tension element configured to facilitate optimized optical performance by spring loading the ferrules while maintaining a small form factor.

Abstract: This application relates to an optical connector. In one aspect, the optical connector includes a connector unit including a receiving space in which an optical cable is inserted, and an opening which opens downwardly at a rear end portion of the connector unit. The optical connector may also include a first body surrounding at least a portion of a top of the connector unit, and a second body disposed under the first body, a front end portion of which is rotatably connected to the connector unit to open and close the opening. The optical connector may further include a boot rotatably coupled to the first body and the second body to fix the optical cable inserted in the connector unit.

Abstract: There are provided an optical receptacle having an optical fiber including a first portion on another end surface side, a third portion on one end surface side, and a second portion between the first portion and the third portion; a core diameter at the first portion is smaller than the core diameter at the third portion; the core diameter at the second portion increases from the first portion side toward the third portion side; a first elastic member is provided between the optical fiber and an inner wall of a through-hole; a holder holds the another end surface side of a fiber stub; and the sleeve holds the one end surface side of the fiber stub.

Abstract: This patent provides a method and apparatus for acquiring imagery with improve spatial resolution through an apparatus called a “light painting imaging device”. Other aspects of this invention correct for barrel distortion and pincushion distortion.

Abstract: An optical connection component includes an optical fiber; a high relative refractive-index difference optical fiber that is fusion-spliced to the optical fiber and has a greater relative refractive-index difference to a cladding of a core than the optical fiber; and an accommodating member accommodating the entire length of the optical fiber and the high relative refractive-index difference optical fiber, and has a first end face on which an end face of the optical fiber on the side opposite to the fusion-spliced side is exposed to be substantially flush with the first end face, and a second end face on which an end face of the high relative refractive-index difference optical fiber on the side opposite to the fusion-spliced side is exposed to be substantially flush with the second end face. The optical fiber and the high relative refractive-index difference optical fiber are fixed to the accommodating member.

Abstract: A “safe grounding apparatus” (SGA) for safely grounding or neutralizing the electrical conductors for permanent magnet motor (PMM) powered artificial lift systems and methods of practicing the same are disclosed. The SGA of the present invention ameliorates some of the dangers associated with PMM's. Methods of shorting, grounding, testing and monitoring the electrical conductors of a permanent magnet motor in order to safely manipulate the conductors are also disclosed.

Abstract: In a first embodiment, cable sealing device is described herein for use in a port structure of fiber terminal, telecommunication enclosure, or a bulkhead. The exemplary cable sealing device comprises a unibody construction comprising a rigid body portion, the rigid portion having a generally tubular shape that includes an interior passageway extend from a first end to a second end of the rigid body portion; and an elastomeric body portion over molded onto and extending from an end of the rigid body portion, the elastomeric body portion comprises a front end having an interior sleeve that extends into interior passageway at the second end of rigid body portion and an exterior sealing sleeve that is formed over the second end of rigid body portion, and a closed end disposed opposite the open end, wherein the closed end includes a removable portion.

Abstract: A connector box has a housing forming a space and a cover configured to provide access to the space, a plurality of connectors configured to enable selective connection of fiber optic cables within the enclosed space, and a drop cable entrance assembly configured to provide an opening for one or more drop cables to enter the space in the housing. The drop cable entrance assembly has a housing opening portion providing access to the space from an exterior of the housing and having a removable plate and a grommet, and a cable clamp portion configured to hold the one or more drop cables in place via contact pressure.

Abstract: The present invention discloses a fiber optic connector comprises: a ferrule assembly; a spring seat provided behind the ferrule assembly; and a spring provided between the ferrule assembly and the spring seat. The spring seat has a receiving chamber having an insertion port through which a portion of the ferrule assembly is inserted into the receiving chamber; wherein the ferrule assembly is pre-assembled into the receiving chamber of the spring seat in a way that the ferrule assembly is held to be movably engaged with the spring seat. The spring is fitted and compressed in the receiving chamber. As a result, the ferrule assembly, the spring seat and the spring are pre-assembled into an integral assembly before being inserting into a connector housing. All components of the connector except for the housing may be smoothly pulled through a small long pipe as a whole.

Abstract: One or more seal retention clips can be used to retain a perimeter seal within a perimeter groove defined by a fiber optic enclosure housing. Certain types of seal retention clips can include portions that embed or bite into the housing of the enclosure, and/or embed or bite into the perimeter seal. In certain examples, the seal retention clip includes tabs or teeth that assist in engaging the housing and the perimeter seal. In certain examples, the seal retention clip defines a channel for receiving the perimeter seal.

Abstract: A cable gland for securing a cable to a box comprises a tightening element configured to surround the cable, the tightening element having at least two connecting ends mutually approachable to tighten the tightening element on the cable, and a gland body extending along an axial direction between a first end and a second end, the gland body defining a passing through channel extending along the axial direction between the first end and the second end and configured to receive the cable passing through the first and second ends, the gland body surrounding at least partially the tightening element. The cable gland comprises a first locking arrangement configured to lock along the axial direction the gland body relative to the tightening element.

Abstract: A workstation and method for the installation of a pulling head assembly onto one or more conductors of a cabling system are provided. The workstation incorporates one or more of: a conductor clamp that holds the conductors of the cabling system in place during the installation of the pulling head assembly; a cutting guide having indicia marks that indicate the lengths to which to cut the conductors in order to achieve a staggered pattern of pulling eyes attached to the conductors in the pulling head assembly; a stripping tool that is used to remove a portion of the insulation from the terminal end of each conductor so that the end of the conductor may be inserted into the pulling eye; and a crimping tool that is used to crimp the pulling eyes onto the terminal ends of each of the conductors.

Abstract: A bracket may include a structural portion including at least one relatively rigid first material, and a sealing portion including at least one relatively elastic second material. The bracket may also include a first receiver including a first retainer portion configured to be coupled to an end of a first frame member, and a first sealing interface configured to provide a substantially fluid-resistant seal between a portion of the end of the first frame member and the first receiver. The corner bracket may also include a second receiver substantially parallel to the first receiver and including a second retainer portion configured to be coupled to an end of a second frame member, and a second sealing interface configured to provide a substantially fluid-resistant seal between a portion of the end of the second frame member and the second receiver. The bracket may be incorporated into a cabinet frame.

Abstract: A cable management system includes a cap that cooperates with a housing to enclose a connection between a first cable and a second cable. The cap defines a first port and a second port through which cables extend into the housing. A base is to be coupled to the cap. The base includes a first clamp that protrudes from a surface of the base and maintains an alignment of a portion of the first cable with the first port. The base also includes a base interlock portion. A first cable guide, separate from the base, is to be installed on the cap to maintain an alignment of a portion of the second cable. The first cable guide includes a second clamp, and a first cable guide interlock portion that cooperates with the base interlock portion to interfere with separation of the first cable guide from the base.

Abstract: A telecommunications cable fixation and sealing system (14) includes a telecommunications cable (18) including a jacket defining a jacket perimeter having a generally non-circular transverse cross-section and an adapter tube (26) slidably placed over the jacket of the telecommunications cable (18), the adapter tube (26) defining a tube perimeter (28) having a generally circular transverse cross-section and defining a throughhole (30) having a generally non-circular transverse cross-section that is configured to receive the telecommunications cable (18).

Abstract: A distribution cabling tape system comprises a resilient polymeric base sheet having a first major surface and a second major surface, the first major surface being substantially continuous across a side to side width, an adhesive layer disposed on the first major surface, the adhesive layer capable of adhering to a concrete or asphalt surface, and first and second spacer layers arranged in a spaced apart configuration on the adhesive layer to form a continuous lengthwise channel configured to receive at least a portion of at least one distribution cable, each of the first and second spacer layers comprising a second adhesive layer disposed thereon, the second adhesive capable of adhering to a concrete or asphalt surface.

Abstract: An optical fiber cleaver includes: a body unit on which an optical fiber extending in a first direction is loaded; a lid unit connected to the body unit to be rotatable and openable; a pair of retainers arranged to be separate from each other in the first direction and retain the optical fiber between the pair of retainers when the lid unit is closed with respect to the body unit; a blade member that comes into contact with the optical fiber from one direction side of a second direction intersecting the first direction between the pair of retainers and hurt the optical fiber; and a movement unit that brings the blade member into contact with the optical fiber from the one direction side of the second direction and move the blade member to one direction side of a third direction intersecting the first direction and the second direction.

Abstract: An optical filter comprises an array of waveguides fabricated on an optical integrated circuit (PIC). The array comprises individual waveguides, each of which receive light inputs, e.g., individual taps of a multi-tap optical filter used in an interference cancellation circuit. Typically, the output(s) of the individual waveguides are located at an exit (edge) of the PIC. At least one second waveguide in the array is patterned on the PIC in a converged configuration such that the light transiting these waveguides co-propagates and interacts across given portions of the respective waveguides before exiting the waveguide array along a common facet, thereby generating or inhibiting one of intermodulation products, and harmonics. This structural configuration enables the generation of various modes of transmission at the PIC exit, enabling more efficient transfer of the energy, e.g., to an associated photodetector (PD) that provides conversion of the energy to the RF domain.

Abstract: An optical module that has a structure ensuring reduction in size. The optical module has a structure where a part of a fiber block is protruded from a housing. By including a thin plate, this optical module can avoid entering of dust in the housing, allows a position shift of the fiber block due to a mounting position error of an optical component in the housing, a position shift of an opening portion due to a dimensional error of the housing, or a displacement due to a temperature change, and can reduce the coupling loss due to the optical axis misalignment.

Abstract: An optical cassette includes a body defining a first termination region defined at the first end of the body; a second termination region defined at the second end of the body; a cable routing region disposed at a first level of the body; an optical splice holding region disposed at a second level of the body; and an optical coupler holding region disposed at the second level of the body. The first level is defined by a base of the body and the second level is defined by a divider tray that pivots relative to the body.

Abstract: An optical fiber array includes: optical fibers that each include a fusion part; and a substrate on which fiber grooves are formed along a longitudinal direction of the optical fibers. The optical fibers are aligned in a width direction of the optical fibers. The fiber grooves are aligned in the width direction. The fusion parts are disposed on the substrate. The fusion parts of two adjacent optical fibers are disposed in different positions from each other in the longitudinal direction.

Abstract: A mechanical transfer ferrule is formed from a top housing and a bottom housing secured together with a plural of clips, catches and snap from a distal end of the housing portions to a proximal end of the housing portions. A plural of upper grooves formed in the upper housing and a plural of lower grooves formed in the lower housing accept a plural of optical fiber provided by a ribbon cable at a distal end of the mechanical transfer ferrule. At a proximal end of the upper housing is a pressure surface received in a pressure surface cut-out in the lower housing, where the pressure surface secures and orients the optical fiber within the channels formed by the upper and lower grooves to aid in repeated mating with a corresponding mechanical transfer ferrule and polishing the end face of the plural of optical fibers.

Abstract: A round hybrid cable includes: two metal wires, two fiber optic lines, and a cable jacket enclosing the two metal wires, the two fiber optic lines, and one or more spaces. The enclosing creates the one or more spaces. The round hybrid cable further includes a synthetic filling configured to fill the one or more spaces created by the enclosing. The two metal wires are arranged side by side and the two fiber optic lines are arranged above and below the two metal wires.

Abstract: An optical fiber shuffle includes a protective shell and a number of crossover optical cables. The protective shell supports and fixes the crossover optical cables. Each of the crossover optical cables includes a support member, a number of first optical cable units, and a number of second optical cable units. The support member is coupled to the number of first optical cable units and the number of second optical cable units. Each of the first optical cable units includes a number of optical fiber units. The optical fiber units extend into the support member, are sequentially redistributed in the support member, and enter into corresponding second optical cable units. Ends of the first optical cable units facing away from the support member and ends of the second optical cable units facing away from the support member are coupled to a corresponding optical module.

Abstract: A cable termination unit is provided to clamp a cable separately from a telecommunications closure and then mounted to a telecommunications closure. The cable termination unit includes a body which has a strength member clamp portion for mounting a strength member of a cable and a jacket clamp portion for mounting a cable jacket. The jacket clamp portion is configured to selectively engage different jacket mount devices.

Abstract: Anchoring an input cable (190) at an input port (123, 223) of an enclosure (110) includes inserting the input cable (190) through an anchor member (151, 251) so that a cable jacket (191) terminates within the anchor member (151, 251) and at least one optical fiber (195) extends outwardly from the anchor member (151, 251). The anchor member (151, 251) is secured to the cable jacket (191) using the sheath (175). A cover (162, 260) is mounted to the anchor member (151, 251) to form a pass-through assembly (150, 250) defining an enclosed region. Material is injected into the enclosed region to fix strength members (197) and/or optical fibers (195) of the input cable (190) to the pass-through assembly (150, 250). The ruggedized pass-through assembly (150, 250) is disposed at a base (120, 220) of the enclosure (110).

Abstract: An optical connector cable comprising an optical cable, a metal member, and a resin member is disclosed. The optical cable includes an optical fiber extending in a first direction, a tensile strength body provided along the optical fiber, and a jacket surrounding the optical fiber and tensile strength body. The optical fiber and the tensile strength body extend outside from an end of the jacket. The metal member includes a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The resin member holds the metal member and an extended portion of the optical fiber extended from the end of the jacket. The winding structure of the metal member is embedded in the resin member.

Abstract: The wafer-level manufacturing method makes possible to manufacture ultrathin optical devices such as opto-electronic modules. A clear encapsulation is applied to an initial wafer including active optical components and a wafer-size substrate. Thereon, a photostructurable spectral filter layer is produced which defines apertures. Then, trenches are produced which extend through the clear encapsulation and establish sidewalls of intermediate products. Then, an opaque encapsulation is applied to the intermediate products, thus filling the trenches and producing aperture stops. Cutting through the opaque encapsulation material present in the trenches, singulated optical modules are produced, wherein side walls of the intermediate products are covered by the opaque encapsulation material. The wafer-size substrate can be attached to a rigid carrier wafer during most process steps.

Abstract: An optical connector cable comprising an optical cable and a metal member is disclosed. The optical cable includes an optical fiber, a tensile strength body, and a jacket. The optical fiber extends along a first direction. The tensile strength body is provided along the optical fiber. The jacket surrounds the optical fiber and the tensile strength body in a circumferential direction. The optical fiber and the tensile strength body extend outside from an end of the jacket along the first direction. The metal member has a winding structure around which the tensile strength body extending outside from the end of the jacket is wound. The winding structure of the metal member is positioned outside from the end of jacket along the first direction.

Abstract: A device for rearranging optical fibers has a proximal and distal ends. The ends have openings therein to allow optical fibers to pass therethrough. A crimp band may be included at either end to provide strain relief to the optical fibers as they enter and exit from the device. A lid with latches is also provided to assist with organization, security, and compression of the optical fibers. A tool is also provided to disengage the lid from the device.

Abstract: Trunk gland adapters include an adapter body having an internal bore that is sized to receive a trunk cable gland so that a front end of the trunk cable gland extends through a front opening of the internal bore and a plurality of attachment clips that are configured to releasably attach the adapter body to a mounting aperture in a wall of a fiber optic enclosure. elated trunk gland units and methods of routing a trunk cable into an enclosure are also disclosed.