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 method for aligning the projection of a first light source with an in-coupler of a waveguide, the method including supplying a secondary light source through an optical path of the waveguide to exit at the in-coupler of the waveguide as an exit light; determining the concentricity of the exit light with respect to the first light source; and improving the concentricity of the exit light with respect to the first light source by adjusting the positioning of the first light source such that the exit light becomes concentric with the projection of the first light source.

An easy-to-fabricate and highly efficient single-mode optical fiber-to-single-mode optical waveguide coupler having relatively large horizontal and vertical alignment tolerances between the fiber and the waveguide coupler. The waveguide coupler also features ease of end-facet cleaving. The waveguide coupler can be used in ultra-broadband high coupling efficiency applications or other suitable applications. Single-mode on-chip waveguides incorporating such coupler(s) are also provided, as are methods of manufacturing the waveguide coupler and on-chip waveguide.

An easy-to-fabricate and highly efficient single-mode optical fiber-to-single-mode optical waveguide coupler having relatively large horizontal and vertical alignment tolerances between the fiber and the waveguide coupler. The waveguide coupler also features ease of end-facet cleaving. The waveguide coupler can be used in ultra-broadband high coupling efficiency applications or other suitable applications. Single-mode on-chip waveguides incorporating such coupler(s) are also provided, as are methods of manufacturing the waveguide coupler and on-chip waveguide.

An approach compatible with high volume manufacturing for assembling a photonic chip with integrated optical fibers involving placing a die on an assembly station, providing one or more optical fibers, placing the one or more optical fibers into corresponding one or more grooves of the die, bonding the one or more optical fibers to the die and performing an optical test of the die using the one or more optical fibers, and severing the one or more optical fibers. The die can be removed from the assembly station while retaining a predetermined length of each severed optical fiber and the one or more optical fibers can be prepared for assembly to a next die.

A connector pack for an optical fiber enclosure has a plurality of connector slots each for receiving a respective connector on a cable. The connector pack has a first set of connector slots on a first side of a connector pack body and a second set of connector slots on a second side of the connector pack body. The first set of connector slots and the second set of connector slots each include a latch opening for receiving a latch of a respective connector. The latch opening of the first set of connector slots is offset with respect to the latch opening of the second set of connectors. According to some embodiments, the latch opening of the first set of connector slots is inverted with respect to the latch opening of the second set of connector slots.

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.

An optical connector includes: a ferrule having a fiber hole into which an optical fiber is inserted and a guide hole into which a guide pin is inserted; a housing that accommodates the ferrule; and a biasing member disposed in the housing and applies to the ferrule a biasing force directed toward a side close to an opening portion of the housing in an axial direction of the guide hole, the biasing force having nonlinear characteristics.

An optical rotary junction module for an OCT system according to the present invention includes an OCT connection part having a screw thread formed on an outer peripheral surface thereof, the OCT connection part being connected to an OCT system configured to produce light, a connecting/fixing part having a screw thread formed on an inner peripheral surface thereof and screw-coupled to and engaging with the screw thread formed on the outer peripheral surface of the OCT connection part, a first housing having a screw thread formed on an inner peripheral surface of one end thereof and a screw thread formed on an inner peripheral surface of the other end thereof, the first housing having one end screw-coupled to the connecting/fixing part, a second housing screw-coupled to the screw thread formed on the inner peripheral surface of the other end of the first housing, a hollow motor inserted into the second housing and configured to generate rotational power, and an adapter configured to be coupled to an imaging catheter configured to be inserted into a blood vessel of a human body and transmit light received from the OCT system. The optical rotary junction module has the effects of reducing noise generated during high-speed rotation, and preventing failure caused by abrasion or the like. Moreover, the module may be structurally simplified and reduced in size, and the product cost per unit thereof may be lowered by minimizing the components.

A system for maintaining relative orientation of optical fibers in an array is provided. Fibers extend parallel and include a first fiber and an adjacent fiber. The system includes a fiber holder with alignment holes configured to receive stripped fiber sections. The alignment holes extend from the first surface to the second surface, and the alignment holes include a first alignment hole configured to receive a stripped fiber section of the first fiber and an adjacent alignment hole configured to receive a stripped fiber section of the adjacent fiber. The fiber holder has a wall separating the first alignment hole and the adjacent alignment hole that permits rotation of the stripped fiber section of the adjacent fiber in the adjacent alignment hole without causing rotation of the stripped fiber section of the first fiber in the first alignment hole.