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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 18, Iss. 3 — Mar. 1, 2001
  • pp: 689–695

Fringe-follower regularized phase tracker for demodulation of closed-fringe interferograms

M. Servin, J. L. Marroquin, and F. J. Cuevas  »View Author Affiliations

JOSA A, Vol. 18, Issue 3, pp. 689-695 (2001)

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An algorithm for phase demodulation of a single interferogram that may contain closed fringes is presented. This algorithm uses the regularized phase-tracker system as a robust phase estimator, together with a new scanning technique that estimates the phase that initially follows the bright zones of the interferogram. The combination of these two elements constitutes a powerful new method, the fringe-follower regularized phase tracker, that makes it possible to correctly demodulate complex, single-image interferograms for which traditional methods fail.

© 2001 Optical Society of America

OCIS Codes
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging

Original Manuscript: November 10, 1999
Revised Manuscript: September 22, 2000
Manuscript Accepted: September 22, 2000
Published: March 1, 2001

M. Servin, J. L. Marroquin, and F. J. Cuevas, "Fringe-follower regularized phase tracker for demodulation of closed-fringe interferograms," J. Opt. Soc. Am. A 18, 689-695 (2001)

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