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Proceedings Paper

Nonlinear propagation of a randomized laser beam: plasma-induced smoothing and scattering instabilities
Author(s): Andrei V. Maximov; Wojciech Rozmus; Clarence E. Capjack; M. Foote
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Paper Abstract

The instability of hot spots leading to angular spreading and frequency broadening of a spatially randomized laser beam has a much lower threshold for collisional plasmas compared to the collisionless regime. The plasma-induced spatial and temporal incoherence in forward-propagating light is consistent with the forward stimulated Brillouin scattering (SBS). It also serves to reduce the reflectivity of backward SBS. The interaction of randomized beams with collisional plasmas produces the angular and frequency spectra of transmitted light that are much broader and smoother than in the collisionless regime.

Paper Details

Date Published: 23 April 2001
PDF: 4 pages
Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); doi: 10.1117/12.425622
Show Author Affiliations
Andrei V. Maximov, Univ. of Alberta (Canada)
Wojciech Rozmus, Univ. of Alberta (Canada)
Clarence E. Capjack, Univ. of Alberta (Canada)
M. Foote, Univ. of Alberta (Canada)


Published in SPIE Proceedings Vol. 4424:
ECLIM 2000: 26th European Conference on Laser Interaction with Matter
Milan Kalal; Karel Rohlena; Milan Sinor, Editor(s)

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