Phase and amplitude reconstruction from a single carrier-frequency interferogram without phase unwrapping
Applied Optics, Vol. 47, Issue 15, pp. 2760-2766 (2008)
http://dx.doi.org/10.1364/AO.47.002760
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Abstract
A rapid algorithm for phase and amplitude reconstruction from a single spatial-carrier interferogram is proposed by bringing a phase-shifting mechanism into reconstruction of a carrier-frequency interferogram. The algorithm reconstructs phase through directly obtaining and integrating its real-value derivatives, avoiding a phase unwrapping process. The proposed method is rapid and easy to implement and is made insensitive to the profile of the interferogram boundaries by choosing a suitable integrating path. Moreover, the algorithm can also be used to reconstruct the amplitude of the object wave expediently without retrieving the phase profile in advance. The feasibility of this algorithm is demonstrated by both numerical simulation and experiment.
© 2008 Optical Society of America
OCIS Codes
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
ToC Category:
Image Processing
History
Original Manuscript: February 25, 2008
Revised Manuscript: March 20, 2008
Manuscript Accepted: March 23, 2008
Published: May 13, 2008
Citation
Peng Gao, Baoli Yao, Junhe Han, Liju Chen, Yingli Wang, and Ming Lei, "Phase and amplitude reconstruction from a single carrier-frequency interferogram without phase unwrapping," Appl. Opt. 47, 2760-2766 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-15-2760
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