Real time generation of full color 4K rainbow hologram with line source approximation

Hiroshi Yoshikawa; Weizhong Zeng; Takeshi Yamaguchi

doi:10.1117/12.2692287

13 March 2024 Real time generation of full color 4K rainbow hologram with line source approximation

Hiroshi Yoshikawa, Weizhong Zeng, Takeshi Yamaguchi

Proceedings Volume 12910, Practical Holography XXXVIII: Displays, Materials, and Applications; 1291002 (2024) https://doi.org/10.1117/12.2692287
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Real time generation has been achieved for 4K full color rainbow hologram with normal PC. A line source approximation can accelerate computation speed 1.3 to 2.6 times faster than the previous result, depending on object points. In the approximation, each point in the object is converted to truncated line source. It makes 2D hologram calculation to 1D and calculation speed is increased. Although the rainbow hologram sacrifices vertical parallax, it can be generated faster than image hologram and full color image can be reconstructed with single SLM. Experimental results show that holograms are generated and displayed about 50 frames per second with 140,000 points and full color reconstructed images are observed.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hiroshi Yoshikawa, Weizhong Zeng, and Takeshi Yamaguchi "Real time generation of full color 4K rainbow hologram with line source approximation", Proc. SPIE 12910, Practical Holography XXXVIII: Displays, Materials, and Applications, 1291002 (13 March 2024); https://doi.org/10.1117/12.2692287

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