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

doi:10.1117/1.3567172

1 April 2011 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

Author Affiliations +

Optical Engineering, Vol. 50, Issue 4, 045601 (April 2011). https://doi.org/10.1117/1.3567172

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.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Hung-Chih Hsieh, Wang-Tsung Wu, Wei-Yao Chang, Yen-Liang Chen, and Der-Chin Su "Optimal sampling conditions for a commonly used charge-coupled device camera in the full-field heterodyne interferometry," Optical Engineering 50(4), 045601 (1 April 2011). https://doi.org/10.1117/1.3567172

Published: 1 April 2011

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