Abstract
A quasi-steady-state approximation for the problem of stimulated Mandelstam–Brillouin scattering (SMBS) in the air as in a multimode acoustic medium is formulated. In this approximation, a numerical solution of the equation for the envelope of the complex light field amplitude is implemented. Based on a series of performed numerical experiments, it is established that the SMBS effect can lead to a discernible increase in the angular divergence of laser beams during the propagation of a sufficiently powerful laser radiation with a wavelength λ = 1.315 μm in air.
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Original Russian Text © A.D. Bulygin, A.A. Zemlyanov, A.B. Ignat’ev, V.V. Morozov, 2017, published in Optika Atmosfery i Okeana.
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Bulygin, A.D., Zemlyanov, A.A., Ignat’ev, A.B. et al. The effect of stimulated Mandelstam–Brillouin scattering on angular divergence of a laser beam in the air. Atmos Ocean Opt 30, 405–411 (2017). https://doi.org/10.1134/S1024856017050050
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DOI: https://doi.org/10.1134/S1024856017050050