发明名称 OPTICAL BRANCHING FILTER
摘要 PURPOSE:To integrate the functions of lens and prism, eliminate the need for optical position adjustment and yet separate signal light by each wavelength without any reflection and diffraction loss by providing two layers of specific thin films on a group III-V compound semiconductor substrate.
申请公布号 JPS53118147(A) 申请公布日期 1978.10.16
申请号 JP19770033022 申请日期 1977.03.25
申请人 NIPPON TELEGRAPH & TELEPHONE 发明人 MATSUMOTO NOBUO
分类号 H04B10/29;G01J3/12;G02B6/12;G02B6/34;G02B27/10;H04B10/00;H04B10/2507;H04B10/27 主分类号 H04B10/29
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