发明名称 |
OPTICAL FIBER BRANCHING FILTER |
摘要 |
PURPOSE:To make possible the constitution of a branching filter with less parts and obtain the miniature, inexpensive and stable branching filter by providing a wavelength selection part to a convergent lens wherein refractive index makes a square distribution with respect to central axis. |
申请公布号 |
JPS53105254(A) |
申请公布日期 |
1978.09.13 |
申请号 |
JP19770019876 |
申请日期 |
1977.02.25 |
申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
TAKEI TOSHIO;MIYAKE YOSHIO |
分类号 |
H04B10/29;G01M11/00;G02B6/293;G02B27/00;G02B27/50;H01P1/20;H04B10/00;H04B10/27 |
主分类号 |
H04B10/29 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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