Holographic three-dimensional display based on shifted Fraunhofer diffraction

Peng Sun; Zeqing Yu; Chenning Tao; Siqi Liu; Xiao Tao; Chang Wang; Zhenrong Zheng

doi:10.1117/12.2573430

10 October 2020 Holographic three-dimensional display based on shifted Fraunhofer diffraction

Peng Sun, Zeqing Yu, Chenning Tao, Siqi Liu, Xiao Tao, Chang Wang, Zhenrong Zheng

Proceedings Volume 11551, Holography, Diffractive Optics, and Applications X; 1155111 (2020) https://doi.org/10.1117/12.2573430
Event: SPIE/COS Photonics Asia, 2020, Online Only

Abstract

A simple yet effective method to realize holographic three-dimensional (3D) display by shifted Fraunhofer diffraction has been presented in this paper. After a 3D object is divided into a set of layers in axial direction, these layers are calculated into corresponding sub-holograms by Fraunhofer diffraction. The hologram uploaded on SLM consists of sub-holograms in a tiling approach. Both simulations and experiments are carried out to verify the feasibility of shifted Fraunhofer diffraction. Detailed analysis of computational cost has also been carried out, and the comparison between shifted Fresnel diffraction and shifted Fraunhofer diffraction in the proposed method has been analyzed. The experimental results demonstrate that our method can reconstruct multi-plane 3D object with continuous depth map and the process of 3D modeling is simple, that is the computational complexity is accordingly reduced.

Conference Presentation

Citation Download Citation

Peng Sun, Zeqing Yu, Chenning Tao, Siqi Liu, Xiao Tao, Chang Wang, and Zhenrong Zheng "Holographic three-dimensional display based on shifted Fraunhofer diffraction", Proc. SPIE 11551, Holography, Diffractive Optics, and Applications X, 1155111 (10 October 2020); https://doi.org/10.1117/12.2573430

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