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20 March 2020 Analysis on angular field of view of holographic image dependent on hologram numerical aperture in holographic display
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Abstract

We investigate the angular field of view (AFOV) of a holographic image reconstructed from the digital Fresnel hologram in holographic display. The theoretical analysis clarifies that the AFOV of a holographic image is fundamentally determined by the hologram numerical aperture (HNA) other than a diffraction angle of pixel pitch of a pixelated modulator. This property is proved for various types of the digital holograms using a numerical simulation and optical experiments. The high-HNA hologram reconstructs the image with a high viewing angle, whereas the image contraction is inevitable due to the Nyquist sampling criterion in the hologram synthesis. We demonstrate the method for reconstructing the holographic image with a high viewing angle without image contraction.

© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2020/$28.00 © 2020 SPIE
Byung G. Chae "Analysis on angular field of view of holographic image dependent on hologram numerical aperture in holographic display," Optical Engineering 59(3), 035103 (20 March 2020). https://doi.org/10.1117/1.OE.59.3.035103
Received: 21 December 2019; Accepted: 27 February 2020; Published: 20 March 2020
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