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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 7, Iss. 4 — Apr. 1, 1990
  • pp: 537–541

Effect of intensity error correlation on the computed phase of phase-shifting interferometry

Chris P. Brophy  »View Author Affiliations


JOSA A, Vol. 7, Issue 4, pp. 537-541 (1990)
http://dx.doi.org/10.1364/JOSAA.7.000537


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Abstract

The effect of intensity noise on the computed phase of phase-shifting interferometry is investigated. Using a simple Taylor expansion, one can easily show the sensitivity of the error in computed phase to frame-to-frame intensity noise correlation. The sensitivity of various algorithms to statistically independent intensity noise and intensity quantization noise is considered. Intensity-error cross correlations are found to increase the error in computed phase for the case of intensity quantization error.

© 1990 Optical Society of America

History
Original Manuscript: May 5, 1989
Manuscript Accepted: November 17, 1989
Published: April 1, 1990

Citation
Chris P. Brophy, "Effect of intensity error correlation on the computed phase of phase-shifting interferometry," J. Opt. Soc. Am. A 7, 537-541 (1990)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-7-4-537

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