| 摘要 |
An optical system connection structure, includes a ferrule, an optical fiber inserted into the ferrule, an optical component which converts light paths of a first optical signal outputted from the optical fiber and a second optical signal which has a wavelength different from the first optical signal and is inputted into the optical fiber, at least two inclined surfaces formed in the optical component in which the inclined surfaces inclines regarding a light axis of the optical fiber, an optical filter which transmits or reflects the first optical signal, which reflects or transmits the second optical signal, and which is formed in one of the inclined surfaces, a reflection surface which reflects the first optical signal or the second optical signal and which is formed in one of the inclined surfaces, and a lens formed in a fiber side end face of the optical component facing the ferrule.
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