Fiber optic connectors, cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end, and, a part of the rear portion of the housing comprises a round cross-section and a part of the front portion of the housing comprises a non-round cross-section with a transition region disposed between the rear portion and the front portion.

Fiber optic connectors and connectorized fiber optic cables include connector housings having locking portions defined on the connector housing that allow the connector housing to be selectively coupled to a corresponding push-button securing member of a multiport assembly. Methods for selectively connecting a fiber optic connector to, and disconnecting the fiber optic connector from the multiport assemblies allow for connector housings to be forcibly and nondestructively removed from the multiport assembly.

Multiports having connection ports with securing features that cooperate with flexures and methods for making the same are disclosed. In one embodiment, a multiport comprises a shell, at least one connection port, at least one flexure and at least one securing feature. The at least one connection port comprises an optical connector opening and a connection port passageway, and the at least one flexure is associated with the at least one connection port. The at least one securing feature is associated with the at least one connection port, where the at least one securing feature cooperates with the at least one flexure.

Male plug fiber optic connectors having configured for mating with a dissimilar connector are disclosed along with cable assemblies using the same. The fiber optic connector comprises a ferrule, a connector housing, and a nose-piece having a pocket disposed at a front portion. The pocket of the nose-piece is configured for allowing optical mating with a dissimilar connector. In one embodiment, the pocket on the nosepiece of the connector is disposed on a forward portion of the nosepiece. The fiber optic connectors disclosed advantageously allow for optical mating with dissimilar optical connectors with a quick and easy assembly for rugged applications or other optical communication networks.

Fiber optic connectors and junctions between fiber optic connectors include ferrules terminating a plurality of optical fibers, the ferrules having a ferrule keying portion that rotationally aligns and constrains the ferrules with a guide keying portion of an annular guide tube. The ferrules may further aligned and constrained and aligned in a lateral direction with a ferrule sleeve in the junction of connectors. Each of the ferrule sleeve and the guide keying portion individually constrain movement of the ferrules in different dimensions, the guide keying portion rotationally aligning and constraining the ferrules, while allowing freedom of movement in a lateral direction, and the ferrule sleeve aligning and constraining the ferrules in the lateral direction, while allowing rotational freedom of movement.

The present disclosure relates to lensed optical fiber connector ferrule end faces having molded contact surfaces. The contact surfaces reduce ferrule end face contact area and thereby reduce the influence of trapped dust and debris on lens angular misalignment.

An optical assembly includes an optical ferrule configured to receive light from an optical waveguide and including at least four ferrule alignment features; and a cradle securing the optical ferrule therein and configured to align the optical ferrule to an optical component, the cradle including at least four cradle alignment features configured to make contact or near contact with the at least four ferrule alignment features in a one to one correspondence in at least four corresponding contact regions, such that as a temperature of at least one of the cradle and the optical ferrule changes sufficiently, the corresponding alignment features of the optical ferrule and the cradle slide relative to each other causing the corresponding alignment features of the optical ferrule and the cradle to move to define corresponding traversed regions, such that when extended, the traversed regions of the at least four ferrule alignment features and the at least four cradle alignment features pass within 20 microns of a same first point.

An optical device that includes a multicore optical fiber having at least two cores. An alignment feature is attached at the first end of the first multicore optical fiber. The device also includes a substrate having at least two waveguides, each waveguide comprising a redirecting feature. A fiber holder is located on the substrate to hold the multicore fiber in a correct axially rotational orientation using the alignment feature, so that light couples between the cores of the multicore fiber and respective waveguides in the substrate.

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. After being pulled through the pipe, all components of the connector except for the housing may be easily and quickly inserted into the housing as a whole at one time.

An optical fiber connector for achieving reduced signal transmission losses includes a ferrule basket portion configured to hold a ferrule portion and be disposed in one of a plurality of predetermined tuning positions, a carrier portion configured to engage the ferrule basket portion, and a polygonal biasing member configured to engage the ferrule basket portion and the carrier portion so as to maintain the ferrule basket portion at one of the plurality of predetermined tuning positions and mitigate against signal transmission losses between the ferrule portion and a mating ferrule when the ferrule basket portion is at the one of the plurality of predetermined tuning positions.