利用数值模拟方法研究了高斯光束在弱湍流大气中闪烁的空间分布问题.详细给出了计算闪烁指数的方法,分析得出了闪烁指数空间分布的一般特征:闪烁指数在光轴上最小,随着离开光轴距离的增大而增大.模拟结果与Rytov理论预期的结果基本吻合,从而验证了两种方法的可靠性.
参考文献
[1] | Andrews L C,Phillips Ronald L.Laser Beam Propagation Through Random Media[M].Bellingham:SPIE Optical Engineering Press,1998.123-192. |
[2] | Martin J M,Flatte S M.Intensity images and statistics from numerical simulation of wave propagation in 3-D random media[J].Appl.Opt.,1988,27(11):2111-2126. |
[3] | Martin J M,et al.Simulation of point-source scintillation through three-dimensional random media[J].J.Opt.Soc.Am.A,1990,7(5):838-847. |
[4] | Flatte S M,Wang Guangyu,Martin Jan.Irradiance variance of optical waves through atmospheric turbulence by numerical simulation and comparison with experiment[J].J.Opt.Soc.Am.A,1993,10(11):2363-2370. |
[5] | Huang Yinbo,Wang Yingjian,Rao Ruizhong,et al.Numerical calculation of the scaling parameter for adaptive optics compensation for thermal blooming effects[J].Acta Optica Sinica (光学学报),2002,22(12):1461-1464 (in Chinese). |
[6] | Rao Ruizhong.Pattern characteristics of collimated laser beam in a turbulent atmosphere I.Characteristic radii[J].Chinese Journal of Lasers (中国激光),2002,29(10):889-894 (in Chinese). |
[7] | Clifford S F,Gracheva M E,Gurivich A S,et al.Laser Beam Propagation in the Atmosphere[M].New York:Springer-Verlag Berlin Heidelberg,1978.132-136. |
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