| 摘要 |
PURPOSE:To eliminate the dependency of a demultiplexing ratio upon waveform, to decrease insertion loss, and to realize application to wavelength-multiplex transmission, by using a reflecting mirror which has a direct transmission and a reflection part according to the demultiplexing ratio. CONSTITUTION:The reflecting mirror 9 is provided on the optical axis of incident lightIslantingly. The reflecting mirror 9 has a direct transmission part according to the demultiplexing ratio. A part of the incident lightIthrough the direct transmission part as straight traveling light IV, and the remainder is reflected as reflected light V. An optical fiber A for guiding the incident lightI and optical fiber B and C for guiding the demultiplexed projected light components IV and V are connected to an optical demultiplexer 10 through connectors 4, 5, and 6. Two optical triangular prisms 7 and 8 are fixed in an optical demultiplexer 10 and their three sides are connected to convergent rod lenses 1, 2, and 3. |
