Chinese Optics Letters, 2020, 18 (4): 042601, Published Online: Apr. 14, 2020  

Hermite–Gaussian beams with sinusoidal vortex phase modulation Download: 696次

Author Affiliations
School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Abstract
In this Letter, vortex phase and sinusoidal phase modulations of Hermite–Gaussian beams are studied theoretically and experimentally. The coding method of the experiment is introduced in detail, and the evolution law of focus under different beam order (m, n) and topological charge (l) is given. In order to verify the accuracy of the generation experiment, the optical field distribution under sinusoidal vortex modulation is analyzed deeply. The relevant analysis and methods provided in this Letter have certain practical significance for the development of laser mode analysis, optical communication, and other fields.

Guanxue Wang, Yue Li, Xinzhi Shan, Yu Miao, Xiumin Gao. Hermite–Gaussian beams with sinusoidal vortex phase modulation[J]. Chinese Optics Letters, 2020, 18(4): 042601.

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