Accurate estimation of phase-shifting error in digital holography

Shuqun Zhang

doi:10.1117/12.560302

2 August 2004 Accurate estimation of phase-shifting error in digital holography

Shuqun Zhang

Proceedings Volume 5531, Interferometry XII: Techniques and Analysis; (2004) https://doi.org/10.1117/12.560302
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Phase shifting error is a major error source in phase-shifting digital holography. It affects the quality of the reconstructed object and causes errors in its phase and amplitude calculation. This paper presents a simple method to accurately retrieve the actual phase-shifting value used in practical hologram recording. It therefore provides the possibility of completely eliminating the phase-shifting error in digital hologram. The proposed method is based on solving the object wave reconstruction equation. The effectiveness of the proposed method is verified by both mathematical analysis and computer simulation.

Citation Download Citation

Shuqun Zhang "Accurate estimation of phase-shifting error in digital holography", Proc. SPIE 5531, Interferometry XII: Techniques and Analysis, (2 August 2004); https://doi.org/10.1117/12.560302

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