Propagation of radial Airy array beams through atmospheric turbulence

被引：66

作者：

Chen, Chunyi ^{[1
,2
]}

Yang, Huamin ^{[1
]}

Kayehrad, Mohsen ^{[2
]}

Zhou, Zhou ^{[2
]}

机构：

[1] Changchun Univ Sci & Technol, Key Lab Photoelect Measurement & Control & Opt In, Changchun 130022, Peoples R China

[2] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

OPTICS AND LASERS IN ENGINEERING | 2014年 / 52卷

基金：

中国国家自然科学基金;

关键词：

Airy array beam; Average intensity; Propagation; Atmospheric turbulence; NON-KOLMOGOROV TURBULENCE; ANGULAR SPREAD; FREE-SPACE; SCINTILLATION;

D O I：

10.1016/j.optlaseng.2013.07.003

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Expressions for the average intensity of both phase-locked and non-phase-locked Airy array beams propagating through atmospheric turbulence are derived based on the extended Huygens-Fresnel principle. The evolution of the average intensity distribution of both phase-locked and non-phase-locked Airy array beams during propagation in atmospheric turbulence is examined by numerical examples and is compared with that in free space. It is found that both phase-locked and non-phase-locked Airy array beams can have the "self-focusing" capability which is impacted by the beamlet-combination type, turbulence strength and Airy-beamlet parameters. It is also shown that when the atmospheric turbulence is strong enough, the differences between the propagation properties of phase-locked Airy array beams and those of non-phase-locked ones become unobservable; this is different from the free-space propagation cases. The obtained results are helpful for understanding the propagation properties of Airy array beams in atmospheric turbulence and hence useful for practical applications. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：106 / 114

页数：9

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