Bandwidth constraint optimization for speckle-suppressed computational holographic projection

Lizhi Chen; Songzhi Tian; Hao Zhang

doi:10.1117/12.2616195

22 July 2022 Bandwidth constraint optimization for speckle-suppressed computational holographic projection

Lizhi Chen, Songzhi Tian, Hao Zhang

Author Affiliations +

Proceedings Volume 12277, 2021 International Conference on Optical Instruments and Technology: Optical Systems, Optoelectronic Instruments, Novel Display, and Imaging Technology; 1227707 (2022) https://doi.org/10.1117/12.2616195
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only

Abstract

Bandwidth constraint optimization method is proposed to design phase-only holograms for speckle-suppressed and ringing artifacts-free computational holographic projection. The bandwidth properties of the reconstructed wave field are analyzed, which helps to effectively sample and describe the reconstructed intensity distribution based on the sampling theorem. Iterative calculation with bandwidth constraint strategy and quadratic initial phase can optimize phase-only holograms without vortex-stagnation problem. The proposed method can effectively suppress the speckle noise as well as the ringing artifacts. Numerical and optical experiments have been performed to validate the feasibility of the proposed method for achieving high-quality holographic projection.

Citation Download Citation

Lizhi Chen, Songzhi Tian, and Hao Zhang "Bandwidth constraint optimization for speckle-suppressed computational holographic projection", Proc. SPIE 12277, 2021 International Conference on Optical Instruments and Technology: Optical Systems, Optoelectronic Instruments, Novel Display, and Imaging Technology, 1227707 (22 July 2022); https://doi.org/10.1117/12.2616195

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