Measurement of small vibration amplitudes of a rough surface by an interferometer with a self-pumped phase-conjugate mirror

被引：0
|
作者：
Wang, Xiangzhao [2 ]
Sasaki, Osami [1 ]
Suzuki, Takamasa [1 ]
Maruyama, Takeo [1 ]
机构：
[1] Faculty of Engineering, Niigata University, Niigata 950-2181, Japan
[2] Shanghai Inst. of Opt./Fine Mech., Chinese Academy of Sciences, Shanghai 201800, China
来源：
Applied Optics | 2000年 / 39卷 / 25期
关键词：
Interferometers - Light reflection - Optical phase conjugation - Optical pumping - Signal to noise ratio - Wavefronts;
D O I：
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学科分类号：
摘要：
The application of a Michelson interferometer with a self-pumped phase-conjugate mirror to measure small vibration amplitudes of a rough surface is described. The distorted wave front of the light that is diffusely reflected from the rough surface is restored by phase conjugation to provide an interference signal with a high signal-to-noise ratio. The vibration amplitudes of a stainless-steel sample are measured with a precision of ∼5 nm. © 2000 Optical Society of America.
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页码：4593 / 4597
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