Evolution of the partially coherent Generalized Flattened Hermite-Cosh-Gaussian beam through a turbulent atmosphere

被引：23

作者：

Chib, S. ^{[1
]}

Dalil-Essakali, L. ^{[1
]}

Belafhal, A. ^{[1
]}

机构：

[1] Univ Chouaib Doukkali, Fac Sci, Dept Phys, Lab LPNAMME,Laser Phys Grp, POB 20, El Jadida 24000, Morocco

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2020年 / 52卷 / 11期

关键词：

Turbulent atmosphere; Partially coherent generalized flattened hermite cosh-gaussian beam; Huygens-fresnel diffraction integral; Rytov's quadratic approximation; PROPAGATION PROPERTIES; LASER-BEAMS; MODEL;

D O I：

10.1007/s11082-020-02592-2

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The current paper investigates the impact of a turbulent atmosphere on the propagation of a partially coherent Generalized Flattened Hermite Cosh-Gaussian (GFHChG) beam. The evaluation of a theoretical expression of the average intensity distribution for the partially coherent GFHChG beam is based on the extended Huygens-Fresnel diffraction integral and the Rytov's quadratic approximation. The results of some laser beams are deduced as special cases from the present work. The behavior of the studied beam which is propagating through a turbulent atmosphere is analyzed through numerical illustrations. Results indicate that the partially coherent GFHChG beam successively changes shape from a doughnut to a flattened then to a Gaussian profile during its propagation in a turbulent atmosphere.

引用

页数：17

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