Focusing characteristics of Bessel-Gaussian beam passing through Cassegrain antenna system in weak turbulence

被引：6
|
作者：
Qin, Yan [1 ]
Yang, Huajun [1 ]
Jiang, Ping [1 ]
Caiyang, Weinan [1 ]
Zhou, Miaofang [1 ]
Cao, Biao [1 ]
机构：
[1] Univ Elect Sci & Technol China, Shcool Phys, Chengdu 610054, Peoples R China
来源：
RESULTS IN PHYSICS | 2021年 / 28卷
基金：
中国国家自然科学基金;
关键词：
Vortex beam; Atmospheric propagation; Focusing characteristics; Cassegrain antenna system; ORBITAL ANGULAR-MOMENTUM; TRANSMISSION EFFICIENCY; PROPAGATION PROPERTIES; PROBABILITY; KOLMOGOROV; DESIGN; MODE;
D O I：
10.1016/j.rinp.2021.104614
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The transmission characteristics of the Bessel-Gaussian (BG) beam propagation in free space and turbulence atmosphere after passing through the Cassegrain antenna system are researched in this paper. The research results show that the half-cone angles of the beam and parameters of the optical system can be used to control the propagation trajectory and the cross-talk among different orbital angular momentum (OAM) modes of the BG beam. The BG beam has a focusing property when propagating in free space after passing through the collimating optical system. The trend of cross-talk among different OAM modes is different for focused BG beam and non-focused beam, and the focusing beam can potentially reduce cross-talk among different OAM modes at the receiver plane.
引用
收藏
页数：12
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