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Atmospheric and Oceanic Optics

, Volume 30, Issue 5, pp 405–411 | Cite as

The effect of stimulated Mandelstam–Brillouin scattering on angular divergence of a laser beam in the air

  • A. D. BulyginEmail author
  • A. A. Zemlyanov
  • A. B. Ignat’ev
  • V. V. Morozov
Optical Waves Propagation
  • 24 Downloads

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.

Keywords

Mandelstam–Brillouin scattering nonlinear parabolic equation 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • A. D. Bulygin
    • 1
    Email author
  • A. A. Zemlyanov
    • 1
  • A. B. Ignat’ev
    • 2
  • V. V. Morozov
    • 2
  1. 1.V.E. Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia
  2. 2.NPO AlmazMoscowRussia

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