Phase-shift extraction for generalized phase-shifting interferometry
Optics Letters, Vol. 34, Issue 22, pp. 3553-3555 (2009)
http://dx.doi.org/10.1364/OL.34.003553
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Abstract
A simple algorithm for blind extraction of phase shifts is proposed for generalized phase-shifting interferometry from only three interferograms. Based on the statistical property of the object wave, the algorithm calculates approximately the involved phase shifts as initial values. The extraction is further improved by an iterative method, considering the fact that the closer the phase shifts approach their real values, the more uniform the reconstructed reference wave will become. The feasibility of this algorithm is demonstrated by both simulation and experiment.
© 2009 Optical Society of America
OCIS Codes
(090.2880) Holography : Holographic interferometry
(100.2000) Image processing : Digital image processing
(100.3010) Image processing : Image reconstruction techniques
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
ToC Category:
Holography
History
Original Manuscript: June 11, 2009
Revised Manuscript: September 27, 2009
Manuscript Accepted: October 16, 2009
Published: November 12, 2009
Citation
Peng Gao, Baoli Yao, Norbert Lindlein, Klaus Mantel, Irina Harder, and Eduard Geist, "Phase-shift extraction for generalized phase-shifting interferometry," Opt. Lett. 34, 3553-3555 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-22-3553
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