期刊
OPTICS AND LASERS IN ENGINEERING
卷 50, 期 5, 页码 752-759出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2011.12.003
关键词
Flat-topped beam array; Partially coherent beams; Propagation factor; Turbulence
类别
资金
- National Natural Science Foundation of China [10904102]
- Foundation for the Author of National Excellent Doctoral Dissertation of PR China [200928]
- Natural Science Foundation of Jiangsu Province [BK2009114]
- Huo Ying Dong Education Foundation of China [121009]
- Chinese Ministry of Education [210081]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Innovation Plan for Graduate Students in the Universities of Jiangsu Province [CXZZ11_0088]
- Zhejiang Provincial Education Department of China [Y200909375]
- Zhejiang Provincial Qian-Jiang-Ren-Cai Project of China [2010R10034]
- Zhejiang Provincial Natural Science Foundation of China [Y6100244]
Analytical expressions for the propagation factor of partially coherent radial flat-topped (FT) beam array in free-space and turbulent atmosphere are derived. Our formulae can be applied to study the beam propagation factors of partially coherent Gaussian beam, partially coherent FT beam and partially coherent radial Gaussian beam array. The evolution properties of the propagation factors of those beams in turbulent atmosphere are studied numerically and comparatively. From the aspect of the propagation factor, our results show that partially coherent radial FT beam array is less affected by turbulence than partially coherent Gaussian beam, partially coherent FT beam and partially coherent radial Gaussian beam array. (C) 2011 Elsevier Ltd. All rights reserved.
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