Patent ID: 9612399
Date: 2017-04-04
CPC Classifications: G02B,H01S

Claim:
1. A method for manufacturing an optical fiber combiner, the method comprising: a first fusion splicing process of fusion-splicing a first longitudinal end face of one input optical fiber of a plurality of input optical fibers to a first longitudinal end face of corresponding one glass member of a plurality of glass members, each of the input optical fibers having a core and a cladding surrounding the core, the respective glass members having an outer diameter greater than a diameter of the core and smaller than an outer diameter of the cladding; a bundle process of bundling the cladding of an end portion at least on the first end face side of the plurality of the input optical fibers after the first fusion splicing process, with adjacent side surfaces of the claddings being in contact with each other; and a second fusion splicing process of fusion-splicing a second longitudinal end face of the each glass member to a first end face of a bridge fiber while separating the glass members from each other in a direction perpendicular to an axial direction of the input optical fibers, the second longitudinal end face being opposite to the first longitudinal end face of the glass member.