发明名称 |
Polariscope |
摘要 |
In a polariscope including first and second quarter wave plates arranged one on either side of a sample under test, first and second liquid crystal devices are provided adjacent the quarter wave plates and can be switched between two optical conditions to alter the polariscope between a plane polarized and a circularly polarized mode.
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申请公布号 |
US4523848(A) |
申请公布日期 |
1985.06.18 |
申请号 |
US19820423309 |
申请日期 |
1982.09.24 |
申请人 |
NATIONAL RESEARCH DEVELOPMENT CORPORATION |
发明人 |
GORMAN, BARRY;HEARN, EDWIN J. |
分类号 |
G01L1/24;G01N21/21;G02F1/13;(IPC1-7):G01B11/18 |
主分类号 |
G01L1/24 |
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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