In-line and off-axis hybrid digital holography

Fengpeng Wang; Dayong Wang; Lu Rong; Yunxin Wang; Jie Zhao

doi:10.1117/12.2306734

24 May 2018 In-line and off-axis hybrid digital holography

Fengpeng Wang, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao

Proceedings Volume 10677, Unconventional Optical Imaging; 106771Q (2018) https://doi.org/10.1117/12.2306734
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

In this paper, a hybrid method of in-line and off-axis digital holography is proposed. Off-axis digital hologram and in-line hologram are recorded. The approximate phase distributions in the recording plane are obtained by constrained optimization approach from the off-axis hologram, and they are used as the initial value in the iterative procedure of the phase retrieve of in-line hologram. For static objects, the proposed method can be implemented with a single laser and dual shots. For dynamic objects, it can be implemented with dual-wavelength lasers and a single shot. It can achieve high-resolution, wide field-of-view holographic imaging.

Conference Presentation

Citation Download Citation

Fengpeng Wang, Dayong Wang, Lu Rong, Yunxin Wang, and Jie Zhao "In-line and off-axis hybrid digital holography", Proc. SPIE 10677, Unconventional Optical Imaging, 106771Q (24 May 2018); https://doi.org/10.1117/12.2306734

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