发明名称 |
DIRECTIVE OPTICAL COUPLER |
摘要 |
PURPOSE:To make it possible to desirably adjust the optical coupling degree of two optical waveguides by forming on the surface of an optical waveguide a layer of such a material as has its refractive index varying with the irradiation of light thereby to form the two adjacent waveguides. |
申请公布号 |
JPS52127346(A) |
申请公布日期 |
1977.10.25 |
申请号 |
JP19760044624 |
申请日期 |
1976.04.19 |
申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
NODA JIYUICHI;MIKAMI OSAMU;UCHIDA NAOYA |
分类号 |
H01P5/18;G02B6/122 |
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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