One-shot phase-shifting interferometry: five, seven, and nine interferograms
Optics Letters, Vol. 33, Issue 23, pp. 2788-2790 (2008)
http://dx.doi.org/10.1364/OL.33.002788
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Abstract
To extract phase distributions, which evolve in time using phase-shifting interferometry, the simultaneous capture of several interferograms with a prescribed shift has to be done. Previous interferometric systems aimed to fulfill such a task were reported to get only four interferograms. It is pointed out that more than four suitable interferograms can be obtained with an interferometer that uses two windows in the object plane, a phase grid as a pupil, and modulation of polarization for each diffraction orders in the image plane. Experimental results for five, seven, and nine interferograms are given.
© 2008 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(050.5080) Diffraction and gratings : Phase shift
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(260.5430) Physical optics : Polarization
ToC Category:
Diffraction and Gratings
History
Original Manuscript: August 25, 2008
Revised Manuscript: October 10, 2008
Manuscript Accepted: October 15, 2008
Published: November 21, 2008
Citation
Gustavo Rodriguez-Zurita, Noel-Ivan Toto-Arellano, Cruz Meneses-Fabian, and José F. Vázquez-Castillo, "One-shot phase-shifting interferometry: five, seven, and nine interferograms," Opt. Lett. 33, 2788-2790 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-23-2788
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