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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 21 — Jul. 20, 2004
  • pp: 4199–4207

Class of 4 + 1-phase algorithms with error compensation

Hongbo Bi, Ying Zhang, Keck Voon Ling, and Changyun Wen  »View Author Affiliations


Applied Optics, Vol. 43, Issue 21, pp. 4199-4207 (2004)
http://dx.doi.org/10.1364/AO.43.004199


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Abstract

It is well known that phase-shifting interferometry suffers from inaccuracy in the presence of phase-shifting errors. We have proved the limitation of using a 4-phase algorithm to reduce the phase-measurement error in the presence of the phase-shifting error. A class of 4 + 1-phase error compensating algorithms is formulated. It is shown that the proposed algorithms can effectively minimize the effects of the constant phase-shifting error and possess a superior performance than existing error-compensating algorithms. The effectiveness of the proposed algorithm is demonstrated by computer simulations and experiments.

© 2004 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

History
Original Manuscript: September 5, 2003
Revised Manuscript: March 22, 2004
Published: July 20, 2004

Citation
Hongbo Bi, Ying Zhang, Keck Voon Ling, and Changyun Wen, "Class of 4 + 1-phase algorithms with error compensation," Appl. Opt. 43, 4199-4207 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-21-4199

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