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Applied Optics

Applied Optics


  • Vol. 20, Iss. 2 — Jan. 15, 1981
  • pp: 330–334

Synchronous detection of randomly phase-modulated interferograms

G. J. M. Aitken, J. Gay, and A. Journet  »View Author Affiliations

Applied Optics, Vol. 20, Issue 2, pp. 330-334 (1981)

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Synchronous detection of randomly phase-modulated interferograms is examined for the cases of low and high SNR. Long-average phase estimates exhibit (time × bandwidth)−1 dependence and give useful results with low SNR and σϕ < π. Optimum averaging times are determined for phase tracking in the case of relatively high SNR.

© 1981 Optical Society of America

Original Manuscript: August 16, 1980
Published: January 15, 1981

G. J. M. Aitken, J. Gay, and A. Journet, "Synchronous detection of randomly phase-modulated interferograms," Appl. Opt. 20, 330-334 (1981)

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