Fast reconstruction of off-axis digital holograms

Dylan McKeithen; J. Kent Wallace

doi:10.1364/DH.2021.DM6C.3

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2021),
paper DM6C.3
•https://doi.org/10.1364/DH.2021.DM6C.3

Fast reconstruction of off-axis digital holograms

Dylan McKeithen and J. Kent Wallace

Digital Holography and Three-Dimensional Imaging 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-89-7

From the session
Advances in Digital Holographic Techniques II (DM6C)

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D. McKeithen and J. K. Wallace, "Fast reconstruction of off-axis digital holograms," in OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP), H. Hua, B. Javidi, M. Martinez-Corral, O. Matoba, A. Stern, S. Thibault, T. Alieva, J. Ke, F. Willomitzer, F. Okten, P. Silveira, P. Banerjee, E. Stoykova, D. Chu, J. Park, F. Imai, C. Joo, M. Digman, D. Gardner, S. Gladysz, D. LeMaster, S. Basu, and O. Korotkova, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper DM6C.3.

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Abstract

Hologram reconstruction via the angular spectrum method utilizes fast Fourier transforms which quickly but inefficiently shift between image and pupil planes. We demonstrate hologram reconstruction using discrete transforms over limited regions, decreasing computation time 10x.

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