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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. 8, Iss. 5 — May. 1, 1991
  • pp: 822–827

Generalized phase-shifting interferometry

Guanming Lai and Toyohiko Yatagai  »View Author Affiliations


JOSA A, Vol. 8, Issue 5, pp. 822-827 (1991)
http://dx.doi.org/10.1364/JOSAA.8.000822


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Abstract

We describe a generalized phase-shifting interferometry for which the reference phases are directly evaluated at each time that the interference fringe data are read. The reference phases are obtained from the additional straight fringes on the interfering plane by the fast-Fourier-transform method. According to error estimation, the repeatabilities in the measurements of optical surfaces are λ/500 rms, when the generalized algorithm with eight data acquisitions is used.

© 1991 Optical Society of America

History
Original Manuscript: July 9, 1990
Manuscript Accepted: January 2, 1991
Published: May 1, 1991

Citation
Guanming Lai and Toyohiko Yatagai, "Generalized phase-shifting interferometry," J. Opt. Soc. Am. A 8, 822-827 (1991)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-8-5-822

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