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Neural étendue expander for ultra-wide-angle high-fidelity holographic display

Engineering and Technology

Neural étendue expander for ultra-wide-angle high-fidelity holographic display

E. Tseng, G. Kuo, et al.

Discover groundbreaking advancements in holographic displays with neural étendue expanders, a revolutionary solution enhancing diffraction angles for ultra-wide field-of-view while maintaining stunning image fidelity. This exciting research was conducted by a team of talented authors including Ethan Tseng, Grace Kuo, and others.

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Playback language: English
Abstract
Current holographic displays suffer from low étendue, limiting either field-of-view (FOV) or display size due to the spatial resolution constraints of spatial light modulators (SLMs). This paper introduces neural étendue expanders, learned optical elements that enhance diffraction angles for ultra-wide FOV while preserving image fidelity. Experiments demonstrate a 64x étendue expansion with high-fidelity reconstruction (PSNR > 29 dB) for full-color natural images, achieving an order-of-magnitude FOV increase.
Publisher
Nature Communications
Published On
Apr 22, 2024
Authors
Ethan Tseng, Grace Kuo, Seung-Hwan Baek, Nathan Matsuda, Andrew Maimone, Florian Schiffers, Praneeth Chakravarthula, Qiang Fu, Wolfgang Heidrich, Douglas Lanman, Felix Heide
Tags
holographic displays
étendue expansion
neural optics
field-of-view
image fidelity
spatial light modulators
high-fidelity reconstruction

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