Patent ID: 7393143

Claim:
An optical connector, comprising: a ferrule into which a first optical fiber is inserted; an optical fiber connector disposed at a back end of the ferrule; and a cross-linkable refractive index matching member attached onto an end face on a back end side of the first optical fiber, the cross-linkable refractive index matching member comprising a rate of change in refractive index within ±2% at a temperature of −40 to 70° C., wherein the end face on the back end side of the first optical fiber and an end face of a second optical fiber to be inserted into the optical fiber connector from a back end side thereof are to be connected by a butting connection, and the cross-linkable refractive index matching member is formed such that a cross-linkable refractive index matching agent is coated on the end face on the back end side of the first optical fiber, and the coated agent is cross-linked and hardened.