Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence

doi:10.1088/1674-1056/24/4/044201

中国物理B ›› 2015, Vol. 24 ›› Issue (4): 44201-044201.doi: 10.1088/1674-1056/24/4/044201

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence

钱仙妹, 朱文越, 饶瑞中

Key Laboratory of Atmospheric Composition and Optical Radiation of Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China

收稿日期:2014-05-21 修回日期:2014-10-11 出版日期:2015-04-05 发布日期:2015-04-05
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 61107066).

Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence

Qian Xian-Mei (钱仙妹), Zhu Wen-Yue (朱文越), Rao Rui-Zhong (饶瑞中)

Key Laboratory of Atmospheric Composition and Optical Radiation of Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China

Received:2014-05-21 Revised:2014-10-11 Online:2015-04-05 Published:2015-04-05
Contact: Qian Xian-Mei E-mail:qianxianmei@aiofm.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 61107066).

摘要/Abstract

摘要：

By using wave optics numerical simulation, the intensity-hole effect, beam spreading and wandering properties of Gaussian vortex beam propagation in atmospheric turbulence are investigated quantitatively. It is found that an intensity hole in the center of the beam pattern appears gradually as a Gaussian vortex beam propagates. The size of the intensity hole increases with the increase of the topological charge of the vortex phase. However, the intensity hole could to some extent be filled with optical energy by atmospheric turbulence, especially in strong turbulence. The radius of the intensity hole first decreases and then increases with the growth of turbulence strength. The effective radius of vortex beam with larger topological charge is greater than with a smaller topological charge. But the topological charge has no evident influence on beam wandering.

关键词: Gaussian vortex beam, intensity hole, beam spreading, beam wandering

Abstract:

Key words: Gaussian vortex beam, intensity hole, beam spreading, beam wandering

中图分类号: (Wave propagation, transmission and absorption)

42.25.Bs

42.25.Kb (Coherence) 92.60.Ta (Electromagnetic wave propagation) 92.60.hk (Convection, turbulence, and diffusion)

钱仙妹, 朱文越, 饶瑞中. Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence[J]. 中国物理B, 2015, 24(4): 44201-044201.

Qian Xian-Mei (钱仙妹), Zhu Wen-Yue (朱文越), Rao Rui-Zhong (饶瑞中). Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence[J]. Chin. Phys. B, 2015, 24(4): 44201-044201.

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Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence

Intensity distribution properties of Gaussian vortex beam propagation in atmospheric turbulence

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