Optimal sampling conditions for a commonly used charge-coupled device camera in the full-field heterodyne interferometry

Hung-Chih Hsieh; Wang-Tsung Wu; Wei-Yao Chang; Yen-Liang Chen; Der-Chin Su

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Optimal sampling conditions for a commonly used charge-coupled device camera in the full-field heterodyne interferometry

机译：全场外差干涉测量中常用电荷耦合器件相机的最佳采样条件

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摘要

The processes to derive the associated phase of an interfer-ence signal from the data of a series of recorded frames are performed, and we find that the sampling frequency being lower than the Nyquist sampling rate can also be applied to the full-field heterodyne interferom-etry. Two optimal sampling conditions for a commonly used CCD camera are proposed based on the relation between the heterodyne frequency and the contrast of the interference signal under the condition that the phase error is set to be 0.05 deg.

机译：从一系列记录帧的数据中得出干扰信号的相关相位的过程已经执行，我们发现低于奈奎斯特采样率的采样频率也可以应用于全场外差干涉-etry。根据外差频率与干扰信号对比度的关系，在相位误差设为0.05度的条件下，提出了两种常用的CCD相机的最佳采样条件。

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来源
《Optical engineering》 |2011年第4期|p.045601.1-045601.4|共4页
作者
Hung-Chih Hsieh; Wang-Tsung Wu; Wei-Yao Chang; Yen-Liang Chen; Der-Chin Su;
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作者单位

National Chiao-Tung University Department of Photonics and Instituti Electro-Optical Engineering 1001 University Road Hsinchu 30010, Taiwan;

National Chiao-Tung University Department of Photonics and Instituti Electro-Optical Engineering 1001 University Road Hsinchu 30010, Taiwan;

National Chiao-Tung University Department of Photonics and Instituti Electro-Optical Engineering 1001 University Road Hsinchu 30010, Taiwan;

National Chiao-Tung University Department of Photonics and Instituti Electro-Optical Engineering 1001 University Road Hsinchu 30010, Taiwan;

National Chiao-Tung University Department of Photonics and Instituti Electro-Optical Engineering 1001 University Road Hsinchu 30010, Taiwan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
CCD camera; nyquist sampling rate; full-field heterodyne interferometry; three-parameter sine fitting algorithm;

机译：CCD相机奈奎斯特采样率;全场外差干涉法;三参数正弦拟合算法;

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Optimal sampling conditions for a commonly used charge-coupled device camera in the full-field heterodyne interferometry

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