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Atmospheric and Oceanic Optics

2017 year, number 12

Use of results of acoustic diagnostics of the atmospheric boundary layer for estimation of the influence of turbulence on laser beam characteristics

S.L. Odintsov, V.A. Gladkikh, A.P. Kamardin, I.V. Nevzorova
V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
Keywords: лазерное излучение, пограничный слой атмосферы, турбулентные искажения, распространение, содар, структурная характеристика показателя преломления, laser emission, atmospheric boundary layer, turbulent distortions, propagation, sodar, structure characteristics of refractive index


Estimates of the radius of coherence of a laser beam and the possible beam broadening in the atmospheric boundary layer under the effect of random inhomogeneities of the refractive index, determined from experimental data of remote acoustic sounding, are presented. The possibility of significant loss of coherence and marked broadening of the laser beam due to turbulence in nighttime conditions is noted.