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Investigations of wavelength resolution and adoptable phase shifts in phase-shifting color digital holography with 2pi ambiguity and wavelength-multiplexed images
Author(s): Tatsuki Tahara; Shotaro Maruo; Takuya Gotohda; Reo Otani; Yasuhiko Arai; Yasuhiro Takaki
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Paper Abstract

We investigate wavelength resolution and adoptable phase shifts in phase-shifting color digital holography with 2π ambiguity and wavelength-multiplexed images. This digital holography requires six wavelength-multiplexed phaseshifted holograms and performs color holographic three-dimensional (3D) imaging with high light use efficiency and compact optical setup. However, wavelength resolution of the technique has not been clarified yet. Furthermore, there have not been investigated in adoptable phase shifts under the condition using 2π ambiguity of the phase. In this proceeding, we conducted investigations to evaluate the two factors. The results show that, the wavelength resolution is 1 nm when using a monochrome image sensor with 12 bit-resolution and a guideline for adoptable shifts can be confirmed.

Paper Details

Date Published: 24 April 2018
PDF: 6 pages
Proc. SPIE 10711, Biomedical Imaging and Sensing Conference, 107110T (24 April 2018); doi: 10.1117/12.2318987
Show Author Affiliations
Tatsuki Tahara, Kansai Univ. (Japan)
JST, PRESTO (Japan)
Shotaro Maruo, Kansai Univ. (Japan)
Takuya Gotohda, Kansai Univ. (Japan)
Reo Otani, SIGMAKOKI CO. LTD. (Japan)
Yasuhiko Arai, Kansai Univ. (Japan)
Yasuhiro Takaki, Tokyo Univ. of Agriculture and Technology (Japan)


Published in SPIE Proceedings Vol. 10711:
Biomedical Imaging and Sensing Conference
Toyohiko Yatagai; Yoshihisa Aizu; Osamu Matoba; Yasuhiro Awatsuji; Yuan Luo, Editor(s)

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