RESPONSE CHARACTERISTICS OF A SELF-PUMPED PHASE-CONJUGATE MIRROR TO SPATIALLY NONUNIFORM PHASE-CHANGES OF AN INCIDENT WAVE AND THEIR APPLICATIONS

被引:3
|
作者
WANG, XZ [1 ]
SASAKI, O [1 ]
SUZUKI, T [1 ]
MARUYAMA, T [1 ]
机构
[1] NIIGATA UNIV,FAC ENGN,DEPT ELECT & ELECTR ENGN,NIIGATA 95021,JAPAN
关键词
OPTICAL PHASE CONJUGATION; PHOTOREFRACTIVE CRYSTAL; INTERFEROMETER;
D O I
10.1117/12.196557
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The response of a self-pumped phase-conjugate mirror to spatially nonuniform phase change of incident wave is examined with a phase-conjugate Fizeau interferometer. The experimental results make it clear that the spatially nonuniform phase change of the incident wave is not reversed by the self-pumped phase-conjugate wave (SPPCW) immediately after the phase change, and the decrease of phase-conjugate reflectivity caused by the nonuniform phase change is proportional to the nonuniformity of the phase change. The phase characteristic of the SPPCW makes the phase-conjugate Fizeau interferometer for surface profile measurements insensitive to object vibrations. The reflectivity characteristics enable us to measure the nonuniform phase change by detecting the intensity of the SPPCW.
引用
收藏
页码:1184 / 1190
页数:7
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