Construction of a portable parallel phase-shifting digital holography system

Motofumi Fujii; Takashi Kakue; Kenichi Ito; Tatsuki Tahara; Yuki Shimozato; Yasuhiro Awatsuji; Shogo Ura; Kenzo Nishio; Toshihiro Kubota; Osamu Matoba

doi:10.1117/1.3596177

1 September 2011 Construction of a portable parallel phase-shifting digital holography system

Motofumi Fujii, Takashi Kakue, Kenichi Ito, Tatsuki Tahara, Yuki Shimozato, Yasuhiro Awatsuji, Shogo Ura, Kenzo Nishio, Toshihiro Kubota, Osamu Matoba

Author Affiliations +

Optical Engineering, 50(9), 091304 (2011). https://doi.org/10.1117/1.3596177

Abstract

We propose a portable parallel phase-shifting digital holography system. Parallel phase-shifting digital holography is a technique capable of instantaneous and three-dimensional measurement of objects. This technique has been verified by an experiment on anti-vibration optical tables, but had not been realized as a system for practical use yet. Then, we designed a portable system of parallel phase-shifting digital holography for the purpose of practical use. The size and weight of the system are 450 mm (L)×250 mm (W)×200 mm (H) and less than 7 kg, respectively. We designed the configuration of the system in a way which can be easily changed to implement two types of parallel phase-shifting digital holographies. The system was constructed by the use of ready-made optical components. To confirm the validity of the system, the capability of the three-dimensional imaging free from the superimposition of the unwanted images, which was the problem accompanied with conventional in-line digital holography, with a single-shot exposure was successfully demonstrated.

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Motofumi Fujii, Motofumi Fujii, Takashi Kakue, Takashi Kakue, Kenichi Ito, Kenichi Ito, Tatsuki Tahara, Tatsuki Tahara, Yuki Shimozato, Yuki Shimozato, Yasuhiro Awatsuji, Yasuhiro Awatsuji, Shogo Ura, Shogo Ura, Kenzo Nishio, Kenzo Nishio, Toshihiro Kubota, Toshihiro Kubota, Osamu Matoba, Osamu Matoba, } "Construction of a portable parallel phase-shifting digital holography system," Optical Engineering 50(9), 091304 (1 September 2011). https://doi.org/10.1117/1.3596177 . Submission:

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