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Optical Engineering

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

The processes to derive the associated phase of an interference 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 interferometry. 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.

Paper Details

Date Published: 1 April 2011
PDF: 5 pages
Opt. Eng. 50(4) 045601 doi: 10.1117/1.3567172
Published in: Optical Engineering Volume 50, Issue 4
Show Author Affiliations
Hung-Chih Hsieh, National Chiao Tung Univ. (Taiwan)
Wang-Tsung Wu, National Chiao Tung Univ. (Taiwan)
Wei-Yao Chang, National Chiao Tung Univ. (Taiwan)
Yen-Liang Chen, National Chiao Tung Univ. (Taiwan)
Der-Chin Su, National Chiao Tung Univ. (Taiwan)


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