Removing the Residual Zeroth-Order Diffraction Wave in Polarization-Based Parallel Phase-Shifting Digital Holography System
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概要
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Although we have constructed parallel phase-shifting digital holography systems using an array of micropolarizers, we found that the zeroth-order diffraction wave was not removed completely. Then, we report the reason why the zeroth-order diffraction wave is not always removed completely and propose an algorithm to remove the residual zeroth-order diffraction wave. In the algorithm, phase-shifted holograms obtained by parallel phase-shifting digital holography and the intensity distribution of the reference wave are divided into segments and the pixel values in the segments are multiplied by proper correction constants. The effectiveness of the proposed algorithm was experimentally verified.
- 2011-07-25
著者
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KUBOTA Toshihiro
Kubota Holography Laboratory Corporation
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Nishio Kenzo
Advanced Technology Center Kyoto Institute Of Technology
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Tahara Tatsuki
Graduate School Of Science And Technology Kyoto Institute Of Technology
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Ura Shogo
Graduate School Of Science And Technology Kyoto Institute Of Technology
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Awatsuji Yasuhiro
Graduate School Of Science And Technology Kyoto Institute Of Technology
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XIA Peng
Graduate School of Science and Technology, Kyoto Institute of Technology
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KAKUE Takashi
Graduate School of Science and Technology, Kyoto Institute of Technology
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Matoba Osamu
Graduate School of Science and Technology, Kobe University, Kobe 657-8501, Japan
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Fujii Motofumi
Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
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