Imaging quality analysis of computer-generated holograms using the point-based method and slice-based method

Zhen Zhang; Siqing Chen; Huadong Zheng; Tao Sun; Yingjie Yu; Hongyue Gao; Anand K. Asundi

doi:10.1117/12.2270772

13 June 2017 Imaging quality analysis of computer-generated holograms using the point-based method and slice-based method

Zhen Zhang, Siqing Chen, Huadong Zheng, Tao Sun, Yingjie Yu, Hongyue Gao, Anand K. Asundi

Author Affiliations +

Proceedings Volume 10449, Fifth International Conference on Optical and Photonics Engineering; 104491U (2017) https://doi.org/10.1117/12.2270772
Event: Fifth International Conference on Optical and Photonics Engineering, 2017, Singapore, Singapore

Abstract

Computer holography has made a notably progress in recent years. The point-based method and slice-based method are chief calculation algorithms for generating holograms in holographic display. Although both two methods are validated numerically and optically, the differences of the imaging quality of these methods have not been specifically analyzed. In this paper, we analyze the imaging quality of computer-generated phase holograms generated by point-based Fresnel zone plates (PB-FZP), point-based Fresnel diffraction algorithm (PB-FDA) and slice-based Fresnel diffraction algorithm (SB-FDA). The calculation formula and hologram generation with three methods are demonstrated. In order to suppress the speckle noise, sequential phase-only holograms are generated in our work. The results of reconstructed images numerically and experimentally are also exhibited. By comparing the imaging quality, the merits and drawbacks with three methods are analyzed. Conclusions are given by us finally.

Citation Download Citation

Zhen Zhang, Siqing Chen, Huadong Zheng, Tao Sun, Yingjie Yu, Hongyue Gao, and Anand K. Asundi "Imaging quality analysis of computer-generated holograms using the point-based method and slice-based method", Proc. SPIE 10449, Fifth International Conference on Optical and Photonics Engineering, 104491U (13 June 2017); https://doi.org/10.1117/12.2270772

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KEYWORDS

Holography

Holograms

Computer generated holography

Near field diffraction

3D displays

3D image reconstruction

Optical engineering

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