| 发明名称 |
Optical modulation device |
| 摘要 |
An external light modulator which relies on efficient changes in electro-optic coupling of light between copolarized guided modes in a single waveguide channel formed in a lithium niobate or lithium tantalate substrate by proton exchange with benzoic acid.
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| 申请公布号 |
US4887878(A) |
申请公布日期 |
1989.12.19 |
| 申请号 |
US19880247940 |
申请日期 |
1988.09.22 |
| 申请人 |
POLAROID CORPORATION |
发明人 |
ROBINSON, WILLIAM C.;SANFORD, NORMAN A. |
| 分类号 |
G02B6/134;G02F1/313 |
主分类号 |
G02B6/134 |
| 代理机构 |
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代理人 |
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