Multi-parameter motion-picture recording with wide space-bandwidth by parallel phase-shifting digital holography

Tatsuki Tahara; Peng Xia; Yasuhiro Awatsuji; Kenzo Nishio; Shogo Ura; Toshihiro Kubota; Osamu Matoba

doi:10.1117/12.2054530

5 June 2014 Multi-parameter motion-picture recording with wide space-bandwidth by parallel phase-shifting digital holography

Tatsuki Tahara, Peng Xia, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, Osamu Matoba

Author Affiliations +

Proceedings Volume 9117, Three-Dimensional Imaging, Visualization, and Display 2014; 91170D (2014) https://doi.org/10.1117/12.2054530
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

High-speed multicolor 3D motion-picture recording of a 3D object was experimentally demonstrated by using multiwavelength parallel phase-shifting digital holography. Parallel phase-shifting digital holography is a technique for obtaining the complex amplitude distribution of an object wave from a single hologram, based on space-division multiplexing of multiple phase-shifted holograms. The combination of parallel phase-shifting with angular multiplexing is proposed to capture multicolor information simultaneously using a monochromatic image sensor. 3D space, phase, and wavelength information is simultaneously reconstructed by recording a monochromatic hologram using an image sensor with polarization-detection function. Color 3D motion-picture recording of objects that move at the speed of more than 20 km/h was achieved at 20,000 frames per second. This result is the first experimental demonstration of multiwavelength parallel phase-shifting digital holography.

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Tatsuki Tahara, Peng Xia, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, and Osamu Matoba "Multi-parameter motion-picture recording with wide space-bandwidth by parallel phase-shifting digital holography", Proc. SPIE 9117, Three-Dimensional Imaging, Visualization, and Display 2014, 91170D (5 June 2014); https://doi.org/10.1117/12.2054530

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KEYWORDS

Phase shifts

Image sensors

Holograms

Digital holography

3D image processing

3D image reconstruction

Wave plates

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