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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 45, Iss. 5 — Feb. 10, 2006
  • pp: 968–974

Scheme to improve the reconstructed image in parallel quasi-phase-shifting digital holography

Yasuhiro Awatsuji, Masaki Sasada, Atsushi Fujii, and Toshihiro Kubota  »View Author Affiliations


Applied Optics, Vol. 45, Issue 5, pp. 968-974 (2006)
http://dx.doi.org/10.1364/AO.45.000968


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Abstract

We propose a scheme to improve the reconstructed image in parallel quasi-phase-shifting digital holography. Parallel quasi-phase-shifting digital holography is a technique capable of noiseless instantaneous measurement of three-dimensional objects, and it implements four kinds of phase shifting at a time with an array of 2 × 2 phase-shifting devices located in the reference wave. In the phase-shifting calculation in the reconstruction process of the technique, the scheme assigns the 2 × 2 cell configuration for each pixel in the vertical direction and for each 1-pixel interval in the horizontal direction of the hologram recorded by the image sensor. We conduct both a numerical simulation and a preliminary experiment. The results show that the proposed scheme can improve the quality of the reconstructed image calculated by the conventional scheme of parallel quasi-phase-shifting digital holography we previously proposed, and then the effectiveness of the proposed scheme 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:
Applications

History
Original Manuscript: May 11, 2005
Manuscript Accepted: July 25, 2005

Citation
Yasuhiro Awatsuji, Masaki Sasada, Atsushi Fujii, and Toshihiro Kubota, "Scheme to improve the reconstructed image in parallel quasi-phase-shifting digital holography," Appl. Opt. 45, 968-974 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-5-968

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