| 发明名称 |
ADJUSTING METHOD OF COUPLING LENGTH OF OPTICAL DIRECTIONAL COUPLER |
| 摘要 |
PURPOSE:To adjust the coupling length between two optical guides by adding another optical guide between the two optical guides and adjusting only the phase constant in the additional optical guide. |
| 申请公布号 |
JPS53101446(A) |
申请公布日期 |
1978.09.04 |
| 申请号 |
JP19770015471 |
申请日期 |
1977.02.17 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
NODA JIYUICHI;MIKAMI OSAMU;FUKUMA MASAHARU;IWASAKI YUTAKA |
| 分类号 |
G02B6/122;G02B6/28 |
主分类号 |
G02B6/122 |
| 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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