| 发明名称 |
OPTICAL BRANCHING FILTER |
| 摘要 |
PURPOSE:To enable optical branching to be performed with less insertion loss by interposing a thin film of a beam splitterlike function in such a manner as not to intersect perpendicularly with the axial direction in the core of a fiber. |
| 申请公布号 |
JPS549946(A) |
申请公布日期 |
1979.01.25 |
| 申请号 |
JP19770074458 |
申请日期 |
1977.06.24 |
| 申请人 |
HITACHI LTD |
发明人 |
FUJITA HIROYUKI;MIYAKE KIYOHIDE;YAMAGUCHI KOUJI |
| 分类号 |
H04B10/29;G02B6/28;G02B27/10;H04B10/00;H04B10/2507;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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