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Optical Engineering

Response characteristics of a self-pumped phase-conjugate mirror to spatially nonuniform phase changes of an incident wave and their applications
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Paper Abstract

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.

Paper Details

Date Published: 1 April 1995
PDF: 7 pages
Opt. Eng. 34(4) doi: 10.1117/12.196557
Published in: Optical Engineering Volume 34, Issue 4
Show Author Affiliations
Xiangzhao Wang, Niigata Univ. (Japan)
Osami Sasaki, Niigata Univ. (Japan)
Takamasa Suzuki, Niigata Univ. (Japan)
Takeo Maruyama, Niigata Univ. (Japan)

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