Slightly off-axis flipping digital holography using polarization technology

Jinling Bao; Wenzhi Chen; Hongyi Bai; Fuzhen Zhu

doi:10.1117/12.2543150

18 December 2019 Slightly off-axis flipping digital holography using polarization technology

Jinling Bao, Wenzhi Chen, Hongyi Bai, Fuzhen Zhu

Proceedings Volume 11335, AOPC 2019: Display Technology and Optical Storage; 1133507 (2019) https://doi.org/10.1117/12.2543150
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

A slightly off-axis digital holography is proposed using polarization technology for quantitative phase imaging. Employing a nearly common-path flipping interferometry configuration, our approach realizes interference by flipping the relative position of a sample and reference beam. Using polarization modulation, the sample beam is converted to be 45° linearly polarized, and the reference beam is modulated to be circularly polarized. By setting a polarizer placed before the CCD camera with angles of 0° and 90°, two carrier holograms with phase shifts of 0 and π/2 can be obtained, respectively. Then, the phase distribution of the sample can be retrieved using a fast slightly off-axis digital holography reconstruction method. Theoretical analysis and experiments are carried out to demonstrate the validity and stability of the proposed method.

Citation Download Citation

Jinling Bao, Wenzhi Chen, Hongyi Bai, and Fuzhen Zhu "Slightly off-axis flipping digital holography using polarization technology", Proc. SPIE 11335, AOPC 2019: Display Technology and Optical Storage, 1133507 (18 December 2019); https://doi.org/10.1117/12.2543150

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