Partially coherent neural holography with fast spatial light modulators

Suyeon Choi; Manu Gopakumar; Yifan Peng; Jonghyun Kim; Matthew O'Toole; Gordon Wetzstein

doi:10.1117/12.2655404

15 March 2023 Partially coherent neural holography with fast spatial light modulators

Suyeon Choi, Manu Gopakumar, Yifan Peng, Jonghyun Kim, Matthew O'Toole, Gordon Wetzstein

Proceedings Volume 12435, Emerging Digital Micromirror Device Based Systems and Applications XV; 1243502 (2023) https://doi.org/10.1117/12.2655404
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Holographic near-eye displays are a promising technology to provide realistic and visually comfortable imagery with improved user experience, but their coherent light sources limit the image quality and restrict the types of patterns that can be generated. A partially-coherent mode, supported by emerging fast spatial light modulators (SLMs), has potential to overcome these limitations. However, these SLMs often have a limited phase control precision, which current computer-generated holography (CGH) techniques are not equipped to handle. In this work, we present a flexible CGH framework for fast, highly-quantized SLMs. This framework is capable of incorporating a wide range of content, including 2D and 2.5D RGBD images, 3D focal stacks, and 4D light fields, and we demonstrate its effectiveness through state-of-the-art simulation and experimental results.

Conference Presentation

Citation Download Citation

Suyeon Choi, Manu Gopakumar, Yifan Peng, Jonghyun Kim, Matthew O'Toole, and Gordon Wetzstein "Partially coherent neural holography with fast spatial light modulators", Proc. SPIE 12435, Emerging Digital Micromirror Device Based Systems and Applications XV, 1243502 (15 March 2023); https://doi.org/10.1117/12.2655404

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