| 发明名称 |
Optical attenuator. |
| 摘要 |
<p>An optical attenuator comprising first and second coaxial optical fibres (2,3) which are optically coupled to each other with a gap ( l ) between their adjacent end faces (22,31) characterised in that each of the adjacent end faces (22,31) is disposed obliquely to the axis of the optical fibres (2,3).</p> |
| 申请公布号 |
EP0306243(A2) |
申请公布日期 |
1989.03.08 |
| 申请号 |
EP19880307963 |
申请日期 |
1988.08.26 |
| 申请人 |
SEIKO INSTRUMENTS INC. |
发明人 |
IWAKIRI, TOYOKAZU;KASHIMA, YOSHIO;SUGIYAMA, AKIRA;BETSUI, IKUO;SUZUKI, NOBUO |
| 分类号 |
G02B6/00;G02B6/26;G02B6/38 |
主分类号 |
G02B6/00 |
| 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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