Vol. 11, issue 04, article # 1

Borovoy A.G., Vagin N.I., Vostretsov N.A., Zhukov A.F. About two scales of spatial correlation of laser beam intensity fluctuations in dispersed media. // Atmospheric and oceanic optics. 1998. V. 11. No. 04. P. 269-271.
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Abstract:

Experimental data on laser beam propagation in a coarsely dispersed aerosol are analyzed. It is shown that there are optical thicknesses for which two scales of intensity fluctuations are observed. The first scale is the diffraction correlation radius, which decreases monotonically with the increase of the optical thickness. The second scale is the quasi-isotropic radius, which is much smaller than the diffraction one.

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