Influence of polychroism and decentration on spreading of laser beams propagating in non-Kolmogorov turbulence
Influence of polychroism and decentration on spreading of laser beams propagating in non-Kolmogorov turbulence
复制标题
多色性和偏心对非柯尔莫哥洛夫湍流中激光束传播的影响
DOI：
10.1016/j.optcom.2013.02.068
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发表时间：
2013-08
影响因子：
2.4
通讯作者：
Jia, Xinhong
中科院分区：
文献类型：
--
作者：
Ji, Xiaoling;Pu, Zhengcai;Li, Xiaoqing;Jia, Xinhong
Taking the mean-squared beam width, the angular spread, the Rayleigh range and the turbulence distance as characteristic parameters, the spreading of partially coherent polychromatic decentered laser beams propagating through non-Kolmogorov turbulence is studied. The influence of the bandwidth Ω of spectrum, the beam decentered parameter β, and the fractal constant α of the atmospheric power spectrum on the beam spreading is examined in detail. It is found that polychromatic laser beams are less sensitive to turbulence than monochromatic ones, and decentered laser beams are less sensitive to turbulence than centered ones. The larger the Ω and β are, the larger the beam spreading is in free space, but the less the beam spreading is affected by turbulence. In turbulence laser beams with different values of β will have the same directionality if the angular spread is chosen as the characteristic parameter of beam directionality, which is quite different from the behavior in free space. The beam spreading is largest and the influence of turbulence on the beam spreading is also largest when α is in a region about 3.1. In addition, the dependence of the turbulence distance on Ω and β is also investigated, and some interesting results are obtained.
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影响因子：
2.4
作者：
Yajun Li
通讯作者：
Yajun Li
DOI：
10.1063/1.3057286
发表时间：
1961
期刊：
--
影响因子：
--
作者：
V. I. Tatarski;R. A. Silverman;Undersea Warfare;Surface Warfare
通讯作者：
V. I. Tatarski;R. A. Silverman;Undersea Warfare;Surface Warfare
影响因子：
3.6
作者：
Guohua Wu;Hong Guo;Song Yu;Bin Luo
通讯作者：
Guohua Wu;Hong Guo;Song Yu;Bin Luo
DOI：
10.1117/12.629687
发表时间：
2005-10
期刊：
--
影响因子：
--
作者：
A. Zilberman;E. Golbraikh;N. Kopeika
通讯作者：
A. Zilberman;E. Golbraikh;N. Kopeika
影响因子：
1.9
作者：
A. Zilberman;E. Golbraikh;N. Kopeika
通讯作者：
A. Zilberman;E. Golbraikh;N. Kopeika