An apparatus allows a plurality of optical fibers to be held together during the termination process. A handling device holds the optical fibers while a cleaving device allows for consistent cleaving of the optical fibers to ensure the ends are cleaved consistently. The handling device may also be used during the fixation of the optical fibers in the fiber optic ferrule. A method for terminating the plurality of optical fiber is also provided.

A protective assembly method using a transparent layer within the fiber interconnect system aids in optical coupling by preventing an air gap from forming between the fiber cores within a connector. A thin transparent film (or with adhesive) is placed over the fiber end-faces at the connector interface, the film having characteristics which allows it to conform to the fiber end and minimize coupling loss between fibers. The film is sized to fit connectors faces and can be temporary, being replaced with each installation. A coating can also applied to the connector surface, providing a similar effect, as well as structurally enhancing the connector surfaces.

A plug of a connector that performs optical transmission is provided with an optical connection unit. The optical connection unit includes a lens that is provided on a side surface of the optical connection unit and performs optical connection with a lens provided on an optical connection unit of a receptacle in a direction orthogonal to an inserting/removing direction of the plug, and a locating surface that is provided on the side surface of the optical connection unit and abuts on a locating surface of the receptacle to determine a position of the optical connection unit in a mating condition of the plug into the receptacle.

A hybrid optical and electrical connection system includes a connectorized pigtail and a closure. The connectorized pigtail includes: a) a stub cable including a jacket containing at least one optical fiber and at least two electrical conductors, the stub cable having opposite first and second ends; and b) a hybrid optical and electrical connector that is factory terminated at the first end of the stub cable. The closure mounts at the second end of the stub cable for enclosing optical and electrical connections between the second end of the stub cable and a field cable.

Multi-fiber, fiber optic cable assemblies may be configured so that the terminal ends of the cables have pre-assembled back-post assemblies that include pre-assembled ferrules, such as MPO ferrules that meet the requisite tolerances needed for fiber optic transmissions. To protect the pre-assembled components from damage prior to and during installation, pre-assembled components may be enclosed within a protective housing. The housing with pre-assembled components may be of a size smaller than fully assembled connectors so as to be sized to fit through a conduit. The remaining connector housing components for the multi-fiber connectors may be provided separately and may be configured to be attached to the back-post assembly after installation of the cable.

Performances are enhanced and improved tremendously for existing USB connectors with new improvised fiber-optical connection features and their capabilities. Existing USB connectors, such as user-friendly reversible Type-A and USB Type-C connectors are modified, improvised and retrofitted using means of allocating unused spaces and surfaces to allow fiber-optical wires and connections inside the user-friendly reversible Type-A and USB Type-C connectors. This modification will not affect the regular functions and performances of the user-friendly reversible Type-A and USB Type-C connections. New fiber-optical connections will enhance and improve reversible Type A and USB Type-C as compared to regular user-friendly reversible Type-A and Type-C connectors that have only copper wire connections. They are faster in speed, with the capability of much more bandwidth, longer transmission distance, lighter weight, water proof with corrosion resistance, better data security, immunity to electro-magnetic interference (EMI) and generating no EMI noise, lower cost, less wear and tear for longer life, better safety with non-conductive connectors, and much more.

Optical fiber connectors configured to allow ease of change of the connector polarity by providing lockable outer housing. In an embodiment, an optical fiber connector comprises an inner housing, at least one key configured to move along the inner housing so as to change a polarity of said optical fiber connector, and an outer housing disposed around at least a portion of the inner housing and configured to slide in a longitudinal direction so as to expose at least a portion of said at least one key, wherein the outer housing includes a flexible portion configured to lock to the inner housing so as to retain the outer housing in a pulled back position relative to the inner housing.

A ferrule includes a ferrule body having a first opening formed in a side face thereof, and having a second opening formed in a top face thereof, wherein the first opening is configured to receive an optical waveguide inserted into the ferrule body at the side face, and wherein the second opening is formed over and in communication with the first opening, such that the second opening connects an inner space of the first opening to an outside of the ferrule body.

A fiber optic cable transition assembly for transitioning a plurality of optical fibers from a multi-fiber cable to a plurality of furcation tubes. The fiber optic transition assembly has a housing with a front opening and an internal passageway that is defined by a wall and a narrow region. The housing is adapted to receive epoxy adhesive. The fiber optic transition assembly has a boot that is positioned at least partially inside the housing for receiving the multi-fiber cable to provide strain relief to the plurality of optical fibers extending therethrough. The fiber optic transition assembly has a plug supported by the boot and retained by the housing to prevent epoxy adhesive from entering the multi-fiber cable.

A method for manufacturing an optical fiber connecter includes preparing optical fiber including a glass fiber and a resin coating portion covering the glass fiber, mounting the optical fiber on a first optical fiber holder, adjusting an azimuth around a central axis for the optical fiber, bonding the glass fiber to the first optical fiber holder, mounting the glass fiber on a second optical fiber holder, bonding the glass fiber to the second optical fiber holder, and grinding end faces of the glass fiber and an the second optical fiber holder so that the end face of the glass fiber is flush with the end face of the second optical fiber holder.