Abstract: A fiber optic assembly includes an optical cable supporting a plurality of optical fibers and a furcation integrated with the optical cable. The furcation separates optical fibers of the plurality into a first set and a second set. The first set includes a loopback channel that enters the furcation, loops around within the furcation, and then returns to the optical cable such that optical transmissions passing along the loopback channel pass twice through the optical cable in opposing directions. The second set passes through the furcation without looping back into the optical cable.

Abstract: Disclosed are optical connections having a coupling portion that includes a piston and a magnet along with complimentary optical connections. In one embodiment, the optical connection includes an optical interface portion having at least one optical channel and a coupling portion. The coupling portion includes a piston that is movable between a first position and a second position, a resilient member for biasing the piston to the first position and a magnet for retaining the piston at the second position. In one embodiment, the piston may be disposed in a body of the optical connection. The piston may be formed from a ferrous material and since it is not magnetic it does not attract metal trash; however, it still allows coupling (e.g., mating) of optical connections using magnetic retention. Additionally, the piston may optionally include a cover portion if desired.

Abstract: A data center connector (DCC) system includes a receptacle connector assembly that includes a receptacle body having a plug receiving end, a panel assertion end and a plug receiving chamber at the plug receiving end that receives a plug body of a plug connector assembly. A receptacle ferrule is located in the receptacle body. The receptacle ferrule is moveable axially within the receptacle body and biased toward the plug receiving end. A plug connector assembly includes a plug body having an insertion end sized to be received within the plug receiving chamber of the receptacle body. A plug ferrule is fixed axially within the plug body that contacts the receptacle ferrule and moves the receptacle ferrule axially with the plug body being inserted within the plug receiving chamber of the receptacle body.

Abstract: One embodiment of the disclosure relates to an optical connector. The optical connector may include a ferrule, a waveguide, and an inorganic adhesive composition. The ferrule may include a fiber-receiving passage defining an inner surface. The inorganic adhesive composition may be disposed within the ferrule and in contact with the inner surface of the ferrule and the waveguide. The inorganic adhesive composition may include at least about 50% by weight of metal oxide.

Abstract: A method of characterizing processed optical fiber ends using second-harmonic generation (SHG) is disclosed. The method includes sequentially irradiating micro-volumes within the end section with a focused laser beam of wavelength ?L; sequentially detecting respective amounts the SHG light emitted from the respective micro-volumes; correlating the amounts of the detected SHG light with respective amounts of stress; and determining one or more optical properties of the end section of the optical fiber based on the amounts of stress. The optical fiber being measured can be held in a ferrule. The stress in the optical fiber end section can be due to processing the optical fiber end using laser and/or mechanical means.

Abstract: A rugged micromodule cable includes central strength yarns, micromodules stranded around the central strength yarns, additional strength yarns positioned around the stranded micromodules, and a jacket of polymeric material surrounding the additional strength yarns. The micromodules each include sheathing surrounding a plurality of optical fibers. The strand profile of the micromodules is tight, having an average lay length of less than 250 mm, and the sheathing is thin-walled, having an average thickness of less than about 200 micrometers. The strand of the micromodules, the positioning of the additional strength yarns, and bonding between the additional strength yarns and the jacket mitigate lengthwise movement of the optical fibers in the rugged micromodule cable.

Abstract: Apparatuses, related components, and methods for expanding capacity of fiber optic housings are disclosed. A fiber optic apparatus comprising an attachment housing comprising a side, a top, and a bottom defining an attachment interior chamber configured to support at least a portion of fiber optic equipment is provided. The attachment housing is tool-lessly, and by other than external fasteners, configured to removably attach to a fiber optic housing comprising a housing interior chamber configured to support fiber optic equipment to couple the attachment interior chamber and the housing interior chamber, which may be done by means of snap attachments integral to at least one of the attachment housing and the fiber optic housing. One or more optical components, which may include, without limitation, one or more splitter trays, fiber optic jumper slack storage, and one or more strain relief devices, may be mounted within the attachment housing.

Abstract: Cables are constructed with extruded discontinuities in the cable jacket that allow the jacket to be torn to provide access to the cable core. The discontinuities can be longitudinally extending strips of material in the cable jacket.

Abstract: Interconnect cables utilize bend-insensitive fibers and relatively large free space areas in the cable jackets to reduce bend-induced delta attenuation. Tensile yarns can be included as strain-relief components, but can be relatively loosely packed in order to inhibit bend-induced attenuation.

Abstract: Fiber optic housings configured to accommodate fiber optic modules/cassettes and fiber optic panels are disclosed. In one embodiment, a fiber optic apparatus is provided and comprised of a fiber optic housing and one or more removable panel clips. Each of the one or more removable panel clips includes at least one receptacle configured to receive an insert of a fiber optic panel to support the fiber optic panel in the fiber optic housing. In another embodiment, a fiber optic shelf configured to be supported in a fiber optic housing is provided. The fiber optic shelf comprises a mounting surface and one or more removable panel clips attached to the mounting surface that each includes at least one receptacle configured to receive an insert of a fiber optic panel to support the fiber optic panel in the mounting surface. Related components and methods are also disclosed.

Abstract: A composite cable breakout assembly is disclosed. The assembly includes an enclosure for receiving a composite cable having a fiber optic cable with at least one optical fiber and an electrical power cable with at least one electrical conductor. The enclosure has at least one port providing passage to the exterior of the enclosure. The at least one optical fiber is terminated by a fiber optic connector and the at least one electrical conductor is terminated by an electrical connector. Alternatively, the at least one optical fiber and the at least one electrical conductor may be terminated by a composite optical/electrical connector. The fiber optic cable and the electrical power cable route to the at least one port enabling connection external to the enclosure for extension of optical signal and electrical power to components external to the enclosure.

Abstract: A fiber optic cable includes a tape comprising a substrate of an extrudable thermoplastic, core items of the fiber optic cable, and a jacket around the tape and core items. The tape includes water-swellable material integrated therewith and the core items include one or more optical fibers. The tape is incorporated with core items such that the water-swellable material of the tape is configured to limit water from flowing lengthwise along the cable through gaps among the core item.

Abstract: A rugged micromodule cable includes central strength yarns, micromodules stranded around the central strength yarns, additional strength yarns positioned around the stranded micromodules, and a jacket of polymeric material surrounding the additional strength yarns. The micromodules each include sheathing surrounding a plurality of optical fibers. The strand profile of the micromodules is tight, having an average lay length of less than 250 mm, and the sheathing is thin-walled, having an average thickness of less than about 200 micrometers. The strand of the micromodules, the positioning of the additional strength yarns, and bonding between the additional strength yarns and the jacket mitigate lengthwise movement of the optical fibers in the rugged micromodule cable.

Abstract: A fiber optic harness assembly includes first through sixth groups of optical fibers and first and second connector sets. The groups of optical fibers are arranged in data transmission pairs such that one group of each pair is configured to transmit data and the other group is configured to receive data. The pairs of the groups are organized such that a first pair includes the first and second groups, a second pair includes the third and fourth groups, and a third pair includes the fifth and sixth groups. The optical fibers of the groups are sized and routed to facilitate low-skew and efficient parallel optics connections for high-speed data transmission.

Abstract: Angular alignment of optical fibers for fiber optic ribbon cables and related methods are disclosed. Employing optical fibers disposed in a ribbon matrix can increase bandwidth between two interconnection points. In one embodiment, optical fibers are angularly aligned during the process of forming a fiber optic ribbon cable. To angularly align the optical fibers, each of the optical fibers include an angular alignment feature to facilitate uniform or substantially uniform angular orientation along a cable when the optical fibers are prepared to be disposed in the ribbon matrix to form a fiber optic ribbon cable. By purposefully aligning the optical fibers during formation of the fiber optic ribbon cable, end portions of the optical fibers are aligned in the ribbon matrix. Thus, end portions of the ribbon matrix are not required to be removed to expose and align the end portions of optical fibers when the ribbon cable is connectorized.

Abstract: A fiber optic assembly for supporting optical connections in a fiber optic network employing parallel optical configurations is described. In one embodiment, the fiber optic assembly includes at least two live multi-fiber components and at least one tap multi-fiber component. Optical signals are routed from one live multi-fiber component to another in a parallel optical connection configuration, with each group of optical signals corresponding to a respective group of fiber positions on each live multi-fiber component. Each group of optical signals is also routed to one of the first and second groups of fiber positions of the at least one tap multi-fiber component in a parallel optical connection configuration. In this manner, fiber optic signals can be simultaneously provided and monitored within an active fiber optic network using a parallel optical configuration without the need for interrupting network operations.

Abstract: A fiber optic cable assembly includes a distribution cable and a tether cable physically coupled thereto. The distribution cable has a cavity through which a fiber optic ribbon extends, and the tether cable includes a jacket and an optical fiber. The distribution cable includes a network access point at a mid-span location, which includes an opening between the cavity to the exterior of the distribution cable. At least a portion of the ribbon extends through the opening. The ribbon of the distribution cable includes a plurality of optical fibers, and the optical fiber of the tether cable is spliced to an optical fiber of the ribbon. The corresponding spliced connection is surrounded by the jacket of the tether cable, whereby the jacket serves as a housing.

Abstract: Embodiments disclosed herein include pre-terminated fiber optic connector sub-assemblies, and related fiber optic connectors, cables, and methods. In certain embodiments, an optical fiber stub is pre-installed in a ferrule bore of a ferrule of a fiber optic connector sub-assembly, to provide the pre-terminated fiber optic connector sub-assembly. The optical fiber stub can be pre-installed in the ferrule bore prior to termination of the fiber optic connector sub-assembly. Because the pre-terminated optical fiber stub disposed in the ferrule bore is not directly accessible through a ferrule body of the ferrule when a field optical fiber is disposed in the ferrule bore for fusion splicing, the ferrule has properties that allow thermal energy to be directed through the ferrule body into the ferrule bore. In this manner, the optical fiber stub pre-installed in the ferrule bore can be fusion spliced with the field optical fiber to terminate a fiber optic cable.

Abstract: A fiber optic adapter mount is disclosed. The fiber optic adapter mount has a receiving area for receiving an adapter, a retention feature and a mounting feature. The retention feature is configured to releasably retain the adapter in the receiving area. The mounting feature is for mounting the adapter mount to a surface.

Abstract: Fiber optic interface modules and assemblies using same are disclosed, wherein the module includes first and second lenses formed therein that utilize total-internal reflection within the module body. The first and second lenses define first and second optical paths of different lengths. The module may operably support first and second optical fibers so that they are optically coupled to surfaces of the first and second lenses. The first and second lenses are designed to provide predetermined tolerances for lateral offsets relative to first and second active photo-devices while maintaining respective first and second coupling efficiencies between the active photo-devices and the corresponding first and second optical fibers.