发明名称 |
OPTICAL DIRECTIONAL COUPLER |
摘要 |
PURPOSE:Optical light is 3dB-coupled even if it is of E<x> mode or E<y> mode or E<y> mode or is a circularly polarized wave by selecting coupling coefficients and the length of the parallel portions of optical transmission paths within a specific range. |
申请公布号 |
JPS52153458(A) |
申请公布日期 |
1977.12.20 |
申请号 |
JP19760070150 |
申请日期 |
1976.06.15 |
申请人 |
FUJITSU LTD |
发明人 |
SASAKI MASARU;OKAMOTO AKIRA;FURUTA YOUSUKE;KUDOU TATSUO |
分类号 |
H01P5/18;G02B6/122;H01P3/16 |
主分类号 |
H01P5/18 |
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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