Suppressing retroreflection based on cubic phase mask

Chengmin Lei D.D.S.; Feng Zhou D.D.S.; He Chen; YaoYao Ma

doi:10.1117/12.2666353

4 April 2023 Suppressing retroreflection based on cubic phase mask

Chengmin Lei D.D.S., Feng Zhou D.D.S., He Chen, YaoYao Ma

Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126174H (2023) https://doi.org/10.1117/12.2666353
Event: Ninth Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

Wavefront Coding (WFC) imaging systems can be considered as an effective and feasible technique to reduce retroreflection while maintaining good image quality, based on its advantage of high-quality imaging along with a wide range of defocusing. In this work, an anti-retroreflection imaging technique based on WFC with cubic Phase Mask (CPM) is proposed and an optical design example is also demonstrated to verify the feasibility of our proposal. Both the simulated Peak Normalized Cross-Correlation (PNCC) and the Optical Transfer Function (OTF) show that the optical system with CPM can achieve good image quality as well as substantial retroreflection reduction. Compared with the conventional optical system with no CPM, it is possible to dramatically reduce the reflected beam of the cat-eye by two orders of magnitude.

Citation Download Citation

Chengmin Lei D.D.S., Feng Zhou D.D.S., He Chen, and YaoYao Ma "Suppressing retroreflection based on cubic phase mask", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126174H (4 April 2023); https://doi.org/10.1117/12.2666353

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