Propagation of a partially coherent beam from an unstable resonator through turbulent atmosphere

被引：1
|
作者：
Shayganmanesh, M. [1 ]
Mahdieh, M. H. [1 ]
机构：
[1] Iran Univ Sci & Technol, Dept Phys, Tehran, Iran
来源：
JOURNAL OF MODERN OPTICS | 2012年 / 59卷 / 07期
关键词：
laser beam propagation; partial coherency; unstable resonator; GAUSSIAN BEAMS; LASER-BEAMS; QUALITY; POLARIZATION;
D O I：
10.1080/09500340.2011.648220
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The influence of atmospheric turbulence on the propagation of a partially coherent beam from an unstable resonator was studied numerically. The resonant mode of the unstable resonator is obtained by iterative calculation using the Huygens-Fresnel formula. Also, using the extended Huygens-Fresnel integral, the intensity distribution of a propagating laser beam is calculated for different conditions. The influence of turbulence on the profile of partially coherent beams of an unstable resonator is studied. The effects of geometrical parameters of the resonator on the far-field beam profile are investigated. The results show that an unstable resonator with higher magnification has a superior far-field beam profile under partial coherency and turbulence conditions.
引用
收藏
页码：618 / 627
页数：10
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