Photothermal Phase-Modulating Laser Diode Interferometer with High-Speed Feedback Control

被引：0
|
作者：
Xuefeng Zhao
Takamasa Suzuki
Osami Sasaki
机构：
[1] Niigata University,Faculty of Engineering
来源：
Optical Review | 2002年 / 9卷
关键词：
photothermal modulation; laser diode; interferometer; electronic-shutter; integrating-bucket method; sinusoidal phase modulating; feedback control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a photothermal phase-modulating laser diode interferometer equipped with a high-speed feedback control system. The CCD camera’s shutter-function raises the modulating frequency, which in turn elicits a higher feedback response, thus enabling us to eliminate nearly all external disturbance. With the recent application of a system purpose-built for discriminating between numerous fringe sequences, we have also reduced processing time.
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页码：13 / 17
页数：4
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