Parallel three-step phase-shifting digital holography
Applied Optics, Vol. 45, Issue 13, pp. 2995-3002 (2006)
http://dx.doi.org/10.1364/AO.45.002995
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Abstract
We propose parallel three-step phase-shifting digital holography as a technique capable of noiseless instantaneous measurement of three-dimensional objects based on phase-shifting interferometry. The proposed digital holography carries out three-step phase shifting at the same time by using a phase-shifting array device located in the reference beam. The array device has a periodic three-step phase distribution, and its configuration is simplified compared with that required for conventional parallel phase-shifting digital holography. Therefore the optical system of the proposed parallel phase-shifting digital holography is more suitable for the realization of the proposed holography. We conduct both a numerical simulation and a preliminary experiment. The results of the simulation and experiment agree well with those of the conventional phase-shifting method and are superior to the results obtained by conventional digital holography by using the Fresnel transform alone. Thus the effectiveness of the proposed technique is verified.
© 2006 Optical Society of America
OCIS Codes
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography
(090.2880) Holography : Holographic interferometry
(100.3010) Image processing : Image reconstruction techniques
(120.3180) Instrumentation, measurement, and metrology : Interferometry
ToC Category:
Three-Dimensional Sensing
History
Original Manuscript: August 10, 2005
Manuscript Accepted: November 15, 2005
Citation
Yasuhiro Awatsuji, Atsushi Fujii, Toshihiro Kubota, and Osamu Matoba, "Parallel three-step phase-shifting digital holography," Appl. Opt. 45, 2995-3002 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-13-2995
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