Investigations of wavelength resolution and adoptable phase shifts in phase-shifting color digital holography with 2pi ambiguity and wavelength-multiplexed images

Tatsuki Tahara; Shotaro Maruo; Takuya Gotohda; Reo Otani; Yasuhiko Arai; Yasuhiro Takaki

doi:10.1117/12.2318987

24 April 2018 Investigations of wavelength resolution and adoptable phase shifts in phase-shifting color digital holography with 2π ambiguity and wavelength-multiplexed images

Tatsuki Tahara, Shotaro Maruo, Takuya Gotohda, Reo Otani, Yasuhiko Arai, Yasuhiro Takaki

Author Affiliations +

Proceedings Volume 10711, Biomedical Imaging and Sensing Conference; 107110T (2018) https://doi.org/10.1117/12.2318987
Event: SPIE Structured Light, 2018, Yokohama, Japan

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.

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Tatsuki Tahara, Shotaro Maruo, Takuya Gotohda, Reo Otani, Yasuhiko Arai, and Yasuhiro Takaki "Investigations of wavelength resolution and adoptable phase shifts in phase-shifting color digital holography with 2π ambiguity and wavelength-multiplexed images", Proc. SPIE 10711, Biomedical Imaging and Sensing Conference, 107110T (24 April 2018); https://doi.org/10.1117/12.2318987

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