Gbur Greg, Korotkova Olga
Department of Physics and Optical Science, University of North Carolina at Charlotte, NC 28223, USA.
J Opt Soc Am A Opt Image Sci Vis. 2007 Mar;24(3):745-52. doi: 10.1364/josaa.24.000745.
An angular spectrum representation is applied for a description of statistical properties of arbitrary beamlike fields propagating through atmospheric turbulence. The Rytov theory is used for the characterization of the perturbation of the field by the atmosphere. In particular, we derive expressions for the cross-spectral density of a coherent and a partially coherent beam of arbitrary type in the case when the power spectrum of atmospheric fluctuations is described by the von Karman model. We illustrate the method by applying it to the propagation of several model beams through the atmosphere.
采用角谱表示法来描述通过大气湍流传播的任意类光束场的统计特性。利用 Rytov 理论来表征大气对场的扰动。特别地,当大气起伏的功率谱由冯·卡门模型描述时,我们推导了任意类型的相干光束和部分相干光束的互谱密度表达式。我们通过将该方法应用于几种模型光束在大气中的传播来进行说明。