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

Applied Optics
Yasuhiro AwatsujiToshihiro Kubota

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 x 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 x 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.

References

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Citations

Apr 28, 2006·Applied Optics·Yasuhiro AwatsujiOsamu Matoba
Jul 3, 2008·Applied Optics·Nils H Abramson
Apr 23, 2010·Optics Letters·Yanchao Dong, Jian Wu
Dec 4, 2009·Applied Optics·Yasuhiro AwatsujiOsamu Matoba
May 15, 2013·Applied Optics·Anh-Hoang PhanNam Kim
Jul 3, 2008·Applied Optics·Yasuhiro AwatsujiOsamu Matoba
Dec 4, 2009·Applied Optics·Takashi KakueOsamu Matoba
Mar 11, 2021·Applied Optics·Yuki TakaseYasuhiro Awatsuji

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