Common-path off-axis single-pixel holographic imaging

Author:

Yoneda Naru123ORCID,Saita Yusuke1ORCID,Nomura Takanori1ORCID

Affiliation:

1. Wakayama University

2. Research Fellow of the Japan Society for the Promotion of Science

3. Kobe University

Abstract

Common-path off-axis single-pixel holographic imaging (COSHI) is proposed to obtain complex amplitude information using an in-line interferometer and a single-pixel (point-like) detector. COSHI is more robust to disturbances such as vibration than the conventional single-pixel digital holography technique because of its common-path configuration. In addition, the number of measurements can be reduced due to COSHI’s reconstruction process based on the Fourier fringe analysis. In COSHI, an off-axis digital hologram can be obtained using the structured patterns composed of Hadamard basis patterns and stationary tilted phase distribution. Interestingly, COSHI’s space bandwidth is larger than of the conventional off-axis digital holography because COSHI does not reconstruct the self-correlation term of an object. The proposed method is theoretically confirmed and numerical and experimental results show its feasibility.

Funder

Japan Society for the Promotion of Science

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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