A cable entry sealing system includes a housing having a first housing end and a second housing end; a sealing and shielding member having a portion insertable into the housing, the sealing and shielding member comprising: a plug portion and a medial sealing portion, extending from the plug portion. The medial sealing portion includes a first raised edge, a lip sealing portion extending outwardly from the first raised edge, and a medial body section having a second raised edge. The system further includes an end sealing portion, extending from the medial portion, and at least one compression member coupled to the end sealing portion. The sealing and shielding member is configured to prevent contamination into the cable entry sealing system and distortion of the at least one compression member.

The present disclosure relates to a process by which an optical fiber is terminated with a ferrule to form an optical fiber connector assembly. The ferrule is heated at a heating temperature whereby the ferrule bore (and ferrule microhole) expands. The optical fiber is then inserted into the ferrule microhole. The ferrule then contracts when heat is no longer applied resulting in an interference fit between the optical fiber and the ferrule microhole based on the dimensions of the optical fiber and the ferrule microhole. The interference fit yields certain optical fiber characteristics within the optical fiber connector assembly. The present disclosure also relates to an optical fiber having an outer cladding comprising titania-doped silica and the resulting optical fiber characteristics.

The present invention relates to an optical fibers management system comprising: a supporting frame; a plurality of splice trays pivotably mounted on the supporting frame and rotatable around respective parallel pivot axes between a closed position and an open position; a locking device pivotably mounted on the supporting frame and rotatable around a locking device rotation axis parallel to the pivot axes of the plurality of splice trays between a locking position and a support position, wherein in the locking position the locking device keeps the plurality of trays in the closed position, and in the support position the locking device supports the plurality of splice trays in the open position.

A fiber optic connector comprises a shell, an insert, and at least one terminus sub-assembly. The shell defines an interior space and has a front portion. The insert is retained in the front portion of the shell. The at least one terminus sub-assembly at least partially received and retained in the insert. The at least one terminus sub-assembly includes a ferrule, a stub optical fiber secured to the ferrule, and a holder in which the stub optical fiber terminates. At least one splice component is retained with the holder and configured to be actuated and apply a clamping force to the stub optical fiber within the holder.

An elastic member according to an embodiment is an elastic member that biases a ferrule retaining a plurality of optical fibers in a connecting direction. The elastic member is stored in an inner housing that accommodates the ferrule, the elastic member has a space in its inside into which a 16-fiber tape fiber is inserted, and the elastic member is in a noncircular shape in a cross section intersecting with the connecting direction. The elastic member includes a pair of first portions having an outer surface opposite to a pair of inner surfaces in an arc shape of the housing, the inner surfaces being opposite to each other along a first direction intersecting with the connecting direction and a pair of second portions opposite to the tape fiber along a second direction intersecting with both of the connecting direction and the first direction.

An optical fiber array includes: a multicore optical fiber in which the outer peripheral shape of cladding in a cross section has first and second convex surfaces symmetric with respect to a first axis, and first and second surfaces symmetric with respect to a second axis and closer than extensions of the first and second convex surfaces to the second axis; an arrangement component including a groove having a trapezoidal shape having first and second side surfaces mutually facing such that sectional shapes become closer toward a grove bottom, and a bottom surface; and a pressing member. With the first surface in surface contact with the pressing member, the first convex surface or a boundary portion between the first convex surface and the second surface, and the second convex surface or a boundary portion between the second surface and the second convex surface are in contact with the first and second side surfaces, respectively.

Pre-embedded optical fiber connector having an inner core, an insertion core assembly in the inner core, an outer casing, and an intermediate component and a threaded tail sleeve mounted on the inner core; a pre-embedded optical fiber is provided inside the insertion core assembly; an optical cable is inserted into an insertion channel formed by the inner core and the intermediate component; a connecting optical fiber inside the optical cable is inserted into the insertion core assembly; a press block and a push member are provided on the insertion core assembly; the push member is exposed from a first opening on the outer casing; the push member is slidable; the press block presses against and fixes the pre-embedded optical fiber and the connecting optical fiber, and a pressure of the cress block on the pre-embedded optical fiber and the connecting optical fiber varies depending on different positions of the push member.

An optical fiber connection system includes a first and a second optical fiber, each with end portions that are terminated by a first and a second fiber optic connector, respectively. A fiber optic adapter connects the first and the second fiber optic connectors. A fiber alignment apparatus includes V-blocks and gel blocks. Each of the fiber optic connectors includes a connector housing and a sheath. The end portions of the optical fibers are positioned beyond distal ends of the respective connector housings. The sheath is slidably connected to the connector housing and slides between an extended configuration and a retracted configuration. The sheath covers the end portion of the respective optical fiber when the sheath is at the extended configuration and exposes the end portion when at the retracted configuration. The end portions of the optical fibers are cleaned when slid between the V-blocks and the gel blocks.

An optical connector includes optical transmission members and a ferrule. The ferrule includes an alignment part for aligning the optical transmission members in a first direction; a first surface disposed to face the end surface of the aligned optical transmission members and for allowing incidence of light emitted from the optical transmission members; a second surface for allowing emission of the light incident on the first surface to the outside; a recess, disposed between the alignment part and the first surface and including a non-contact region corresponding to the end portion of the aligned optical transmission members, where the optical transmission members are disposed without contacting the non-contact region; and a lid for adjusting the position of the end surface of the optical transmission members with respect to the first surface by pressing the optical transmission members with a pressing surface contacting the optical transmission members.

A connector-attached optical fiber cord includes: an optical fiber cord including a coated optical fiber and a sheath surrounding a circumference of the coated optical fiber; a ferrule attached to a front end of the coated optical fiber; a housing that houses the ferrule and the optical fiber cord such that the ferrule is exposed to an exterior of the housing at a front end of the housing while the optical fiber cord extends out of a rear end of the housing; a protective tube attached to a portion of the optical fiber cord in which the coated optical fiber is exposed; and a boot attached to the rear end of the housing and that allows the portion of the optical fiber cord to be inserted through the boot.