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10 October 2020 Frequency analysis of wave propagation in computer-generated holography
Hao Zhang, Liangcai Cao, Guofan Jin
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Proceedings Volume 11551, Holography, Diffractive Optics, and Applications X; 1155115 (2020) https://doi.org/10.1117/12.2573353
Event: SPIE/COS Photonics Asia, 2020, Online Only
Abstract
Computation of the wave propagation from the 3D scene to the hologram plane is the fundamental basis for synthesizing 3D computer-generated holograms (CGHs). Computational accuracy and efficiency are directly related to the wave propagation model and sampling strategy used in the diffraction calculation. In this study, wave propagation procedures in different CGH algorithms are comprehensively analyzed in frequency domain, which illustrates the reconstruction properties of different algorithms. Further, a generalized frequency sampling strategy is introduced in calculating wave propagation with high computational efficiency and flexibility. Numerical simulations and optical experiments are conducted to illustrate the performances of the CGH algorithms.
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Hao Zhang, Liangcai Cao, and Guofan Jin "Frequency analysis of wave propagation in computer-generated holography", Proc. SPIE 11551, Holography, Diffractive Optics, and Applications X, 1155115 (10 October 2020); https://doi.org/10.1117/12.2573353
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KEYWORDS
Wave propagation
Computer generated holography
3D modeling
Reconstruction algorithms
Holograms
Computer graphics
Diffraction
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