Holobricks: modular coarse integral holographic displays

Jin Li; Quinn Smithwick; Daping Chu

doi:10.1038/s41377-022-00742-7

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Holobricks: modular coarse integral holographic displays

Articles

- Holobricks: modular coarse integral holographic displays
- Light: Science & Applications Vol. 11, Issue 4, Pages: 580-594(2022)
- Affiliations：
  
  1.Centre for Photonic Devices and Sensors, University of Cambridge, 9 JJ Thomson Avenue, Cambridge, CB3 0FA, UK
  2.Disney Research, 521 Circle 7, Glendale, CA, 91201, USA
- Author bio：
  
  Daping Chu (dpc31@cam.ac.uk)
- Funds：
- DOI：10.1038/s41377-022-00742-7
  CLC：
- Published：30 April 2022，
  
  Published Online：16 March 2022，
  
  Received：13 August 2021，
  
  Revised：09 February 2022，
  
  Accepted：15 February 2022
- Accepted：
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Li, J., Smithwick, Q. & Chu, D. P. Holobricks: modular coarse integral holographic displays. Light: Science & Applications, 11, 580-594 (2022).
DOI：

Li, J., Smithwick, Q. & Chu, D. P. Holobricks: modular coarse integral holographic displays. Light: Science & Applications, 11, 580-594 (2022). DOI： 10.1038/s41377-022-00742-7.

摘要

Abstract

Here

we propose and demonstrate a modular holographic display system that allows seamless spatial tiling of multiple coarse integral holographic (CIH) displays called "holobricks". A holobrick is a self-contained CIH module enclosing a spatial light modulator (SLM)

a scanner

and periscopic coarse integral optics. Modular CIH uses a coarse pitch and small area but high-bandwidth SLM in conjunction with periscopic coarse integral optics to form the angularly tiled 3D holograms with large viewing areas and fields of view. The creation of periscopic coarse integral optics prevents the optical system from being larger than the holographic image and allows the holographic fringe pattern to fill the entire face of the holobrick. Thus

multiple holobricks can be seamlessly abutted to form a scalable spatially tiled holographic image display capable of both wide field-of-view angle and arbitrary large-size area. We demonstrate an initial prototype that seamlessly tiles two holobricks each with 1024 × 768 pixels

40° FOV

full color

24 fps

displaying 2D

3D holographic stereograms

and full parallax 3D CGI Fresnel holograms.

关键词

Keywords

references

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