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  • Received: May. 21, 2020

    Accepted: Jun. 28, 2020

    Posted: Sep. 1, 2020

    Published Online: Sep. 16, 2020

    The Author Email: Liu Kui (liukui@sxu.edu.cn)

    DOI: 10.3788/CJL202047.0905004

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    Kui Liu, Zhi Li, Hui Guo, Jiangrui Gao. Generation of High-Order Hermite-Gaussian Beams Using a Spatial Light Modulator[J]. Chinese Journal of Lasers, 2020, 47(9): 0905004

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Chinese Journal of Lasers, Vol. 47, Issue 9, 0905004 (2020)

Generation of High-Order Hermite-Gaussian Beams Using a Spatial Light Modulator

Liu Kui*, Li Zhi, Guo Hui, and Gao Jiangrui

Author Affiliations

  • State Key Laboratory of Quantum Optics and Quantum Optics Device, Institute of Opto-Electronics, Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China

Abstract

Herein, the generation of Hermite-Gaussian beams using a spatial light modulator was experimentally investigated and the relation between mode conversion efficiency and transverse distribution of the input beam was theoretically analyzed. High-quality Hermit-Gaussian beams with HG6,0, HG8,0, and HG10,0 modes, whose purity was 96.2%, 94.9%, and 93.4%, respectively, were experimentally generated using the optimum input beam with an elliptical transverse distribution. Moreover, the 217-mW HG10,0 mode was obtained and the mode conversion efficiency reached 14.45%, which is 5.6 times higher than that of the traditional input beam with fundamental Gaussian mode. The generation method of Hermite-Gaussian beam with high quality and efficiency has promising application potentials in the precision measurement of small displacement and preparation of a high-order spatial squeezed light field.

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