发明名称 |
Demultiplexing and/or multiplexing optical circuit |
摘要 |
In a demultiplexing and/or multiplexing optical circuit of the invention, a groove for arranging a filter in an optical waveguide is arranged to be perpendicular to a pair of parallel opposing sides of a substrate for constituting the optical circuit. A plurality of demultiplexer and/or multiplexer can be formed simultaneously, and a high machining precision can be obtained relatively easily.
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申请公布号 |
US4790615(A) |
申请公布日期 |
1988.12.13 |
申请号 |
US19870021756 |
申请日期 |
1987.03.04 |
申请人 |
NIPPON SHEET GLASS CO., LTD. |
发明人 |
SEKI, MASAFUMI;HANADA, YOSHIYUKI;SUGAWARA, RYOICHI |
分类号 |
G02B5/28;G02B6/34;G02B7/00;(IPC1-7):G02B6/10 |
主分类号 |
G02B5/28 |
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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