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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 5, Iss. 12 — Dec. 1, 1988
  • pp: 2019–2025

Accuracy of phase determination with unequal reference phase shift

Nagaaki Ohyama, Satoshi Kinoshita, Alejandro Cornejo-Rodriguez, Toshio Honda, and Jumpei Tsujiuchi  »View Author Affiliations

JOSA A, Vol. 5, Issue 12, pp. 2019-2025 (1988)

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In the fringe-scanning methods such as the three- and four-bucket methods, the phase of a reference wave is generally changed at equal intervals from 0 to 2π. In practice, however, it is difficult or almost impossible for some interferometers, such as the dynamic zone plate interferometer, to realize an equal phase shift and to make a full scanning of 2π, which are necessary for discrete Fourier transform analysis. We show that even in such a case, phases in an interferogram can be obtained by using a Fourier analysis in a continuous space, and we analyze the accuracy of the phase determination in case of additive noise.

© 1988 Optical Society of America

Original Manuscript: May 28, 1988
Manuscript Accepted: July 25, 1988
Published: December 1, 1988

Nagaaki Ohyama, Satoshi Kinoshita, Alejandro Cornejo-Rodriguez, Toshio Honda, and Jumpei Tsujiuchi, "Accuracy of phase determination with unequal reference phase shift," J. Opt. Soc. Am. A 5, 2019-2025 (1988)

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