期刊
OPTIK
卷 124, 期 14, 页码 1711-1715出版社
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2012.06.010
关键词
Intensity fluctuations; Stochastic electromagnetic laser beam; Atmospheric turbulence; Tensor method
类别
资金
- Nanjing University of Science and Technology, China [2011YBXM29]
Based on the extended Huygens-Fresnel principle, a formula has been derived for the correlations between intensity fluctuations at two points in the cross-section of an apertured stochastic electromagnetic twist anisotropic Gaussian Schell-model (ETAGSM) beam propagating in turbulent atmosphere by use of tensor method. Our main attention was concentrated on the influence of the aperture widths, atmospheric turbulence, twist parameters and partial coherence on the correlations between intensity fluctuations of apertured stochastic ETAGSM beam propagating in turbulent atmosphere. Numerical calculation results and analysis show that strong atmospheric turbulence, beam's twist properties and high coherence weaken the influence of the aperture on the correlations between intensity fluctuations of ETAGSM beam propagating in turbulent atmosphere. Crown Copyright (C) 2012 Published by Elsevier GmbH. All rights reserved.
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