Integrated phase-shifting digital holography using statistical approach

Nobukazu Yoshikawa; Kazuki Kajihara; Takaaki Shiratori

doi:10.1117/12.2072490

5 November 2014 Integrated phase-shifting digital holography using statistical approach

Nobukazu Yoshikawa, Kazuki Kajihara, Takaaki Shiratori

Author Affiliations +

Proceedings Volume 9272, Optical Design and Testing VI; 92720C (2014) https://doi.org/10.1117/12.2072490
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We propose integrated phase-shifting digital holography using statistical approach. In the integrated phase-shifting scheme, the phase shifts are generated by a reference mirror moving with a uniform velocity, and sequential phaseshifted holograms are captured. Therefore, there is no wait time for stabilization, which offers some advantages such as short measurement time, high phase stability and high noise tolerance. The proposed method does not require precise control and calibration of the phase shifter and synchronization between the phase shifter and the digital image sensor. Therefore, the practical digital holography system with high accuracy can be implemented at low cost.

Citation Download Citation

Nobukazu Yoshikawa, Nobukazu Yoshikawa, Kazuki Kajihara, Kazuki Kajihara, Takaaki Shiratori, Takaaki Shiratori, "Integrated phase-shifting digital holography using statistical approach", Proc. SPIE 9272, Optical Design and Testing VI, 92720C (5 November 2014); doi: 10.1117/12.2072490; https://doi.org/10.1117/12.2072490

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