Importance

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Abstract

An optical connector that requires no complicated fabrication operation such as highly accurate optical axis alignment and that permits an efficient pick up of part of the communication signal light being on-propagation along an optical transmission line, is provided. The optical connector 1 for connecting optical transmission lines each other is comprised of at least a connector main body 16 and a joining element 5 provided inside the connector main body 16 being interposed between the optical transmission lines and coupled to each end face of the optical transmission lines, wherein the joining element 5 is comprised of a core 3 and a cladding 4 provided on the periphery of the core 3 that are optically coupled to the optical transmission line, and a light pick-up means for picking up part of communication signal light being on-propagation along the optical transmission line, and wherein the connector main body 16 has, in a position that faces the light pick-up means, an optical output port 26 for outputting part of the communication signal light picked up by the light pick-up means to a light detector 2.

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First Claim