Vol. 5, issue 01, article # 9

pdf Aleshkevich V. A., Daneliya I. E., Kozhoridze G. D., Shamonin M. V. Propagation of a probing beam in a random refraction channel in the atmosphere. // Atmospheric and oceanic optics. 1992. V. 5. No. 01. P. 42-45.
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An initially coherent probing beam propagating in a randomly inhomogeneous channel formed by powerfull heating radiation is theoretically analyzed. The relation is derived for the modulus of a spatial correlation function allowing one to trace the transformation of a probing beam width and of a correlation radius along the propagation path. The effects of asymmetrical defocusing and stochastic transformating a probing beam nonuniform in the transverse cross section as functions of the initial characteristics of beams and their relative position are analyzed.