Vol. 9, issue 12, article # 12

Banakh V.A., Sazanovich V.M., Tsvyk R.Sh., Chen B.-N. Study of the influence of backscattering effect in a turbulent medium on the laser beam image. // Atmospheric and oceanic optics. 1996. V. 9. No. 12. P. 1033-1036.
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The influence of the counter waves correlation on a quality of a point object image viewed through a random medium is studied experimentally. It is shown that in the case when illuminating and reflected waves pass through the same inhomogeneities of the medium the mean intensity distribution of the point object image has two characteristic scales. The larger scale is determined by the wave sphericity and blurring when passing through the turbulent layer. The smaller scale which is within the distribution center takes into account the correlation between counter waves so it is close to the diffraction beam size.