发明名称 |
Liquid crystal optical frequency shifter |
摘要 |
An optical frequency shifter is provided to change the frequency of a coherent input light beam by imparting periodic increases in phase to the beam. This increase in phase is caused by ferroelectric liquid crystals (FLCs) in conjunction with quarter wave plates. The FLCs are repeatedly switched on and off by electrical signal generators, adding phase shift in steps, which in turn results in a higher output optical frequency.
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申请公布号 |
US5739908(A) |
申请公布日期 |
1998.04.14 |
申请号 |
US19950431773 |
申请日期 |
1995.05.01 |
申请人 |
THE REGENTS OF THE UNIVERSITY OF COLORADO |
发明人 |
BROWN, TYLER ALAN;WEVERKA, ROBERT THEODORE;FREEMAN, MARK OLMSTED |
分类号 |
G02F1/01;G02F1/03;G02F1/141;(IPC1-7):G02F1/05 |
主分类号 |
G02F1/01 |
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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