Broadband beam shaping using two cascaded diffractive optical elements with different sizes of effective phase region

Li Ding; Guowei Cao; Jin Guo; Jun Wang; Kun Huang; Yongping Li; Xueliang Kang; Liang Wang

doi:10.1117/12.2281524

24 October 2017 Broadband beam shaping using two cascaded diffractive optical elements with different sizes of effective phase region

Li Ding, Guowei Cao, Jin Guo, Jun Wang, Kun Huang, Yongping Li, Xueliang Kang, Liang Wang

Author Affiliations +

Proceedings Volume 10460, AOPC 2017: Optoelectronics and Micro/Nano-Optics; 1046004 (2017) https://doi.org/10.1117/12.2281524
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

A unique design method of two cascaded diffractive optical elements (DOEs) with different sizes of effective phase region to modulate broadband beam is presented with consideration of single production material and low relief height on DOE. The iterative algorithm to calculate the relief heights on these DOEs is introduced at first. Where after, a broadband beam at wavelength from 500nm to 600nm propagates through the designed DOEs and is focused on the target plane in the simulation part. The shaping results demonstrate the excellent shaping ability of this unique design method. The shaping system proposed in this paper is significant for nonmonochromatic light modulation and has many applications such as graphic encryption, three-dimensional color display and multi wavelength division multiplexing.

Citation Download Citation

Li Ding, Guowei Cao, Jin Guo, Jun Wang, Kun Huang, Yongping Li, Xueliang Kang, and Liang Wang "Broadband beam shaping using two cascaded diffractive optical elements with different sizes of effective phase region", Proc. SPIE 10460, AOPC 2017: Optoelectronics and Micro/Nano-Optics, 1046004 (24 October 2017); https://doi.org/10.1117/12.2281524

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