Patent ID: 7857525

Claim:
An optical connector comprising: a ferrule and a V-groove board connected to the ferrule, wherein a first optical fiber and a second optical fiber are butt jointed in a V-groove formed in the V-groove board so as to be interconnected; the second optical fiber is connected to the first optical fiber through a refractive index matching material of cross-link curing type applied to an end surface on the V-groove board side of the first optical fiber, the refractive index matching material being in an elastic solid state; and a space, is not completely penetrating the V-groove board, is provided in the V-groove board adjacent to the V-groove, such that the space faces the butt jointed portion between the first and second optical fibers; and that when a compression stress is loaded on the refractive index matching material of cross-link curing type, the refractive index matching material of cross-linked curing type is released into the space so as to relax the compression stress.