Measurement of absolute growth rates and saturation phenomena for stimulated Brillouin scattering in a CO/sub 2/-laser--irradiated plasma
Journal Article
·
· Phys. Rev. Lett.; (United States)
Growth rates and saturation of stimulated Brillouin scattering in a CO/sub 2/-laser--irradiated plasma are investigated by picosecond Thomson scattering of ruby laser light and backscatter spectroscopy. The temporal growth rates are found to be consistent with theoretical predictions. The ion acoustic waves saturate at a fluctuation amplitude of <20% and subsequently show a modulated temporal behavior, as well as sidebands in the backscatter spectra consistent with saturation by strong ion trapping.
- Research Organization:
- Department of Physics, The University of British Columbia Vancouver, British Columbia, V6T2A6 Canada
- OSTI ID:
- 5557511
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 55:1; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
BACKSCATTERING
BRILLOUIN EFFECT
CARBON DIOXIDE LASERS
COHERENT SCATTERING
CORRELATIONS
DATA
EXPERIMENTAL DATA
FLUCTUATIONS
GAS LASERS
INELASTIC SCATTERING
INFORMATION
INSTABILITY
INSTABILITY GROWTH RATES
ION ACOUSTIC WAVES
ION WAVES
LASER-PRODUCED PLASMA
LASERS
NUMERICAL DATA
PLASMA
PLASMA DIAGNOSTICS
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
PLASMA WAVES
RUBY LASERS
SATURATION
SCATTERING
SOLID STATE LASERS
THOMSON SCATTERING
VARIATIONS
700107* -- Fusion Energy-- Plasma Research-- Instabilities
BACKSCATTERING
BRILLOUIN EFFECT
CARBON DIOXIDE LASERS
COHERENT SCATTERING
CORRELATIONS
DATA
EXPERIMENTAL DATA
FLUCTUATIONS
GAS LASERS
INELASTIC SCATTERING
INFORMATION
INSTABILITY
INSTABILITY GROWTH RATES
ION ACOUSTIC WAVES
ION WAVES
LASER-PRODUCED PLASMA
LASERS
NUMERICAL DATA
PLASMA
PLASMA DIAGNOSTICS
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
PLASMA WAVES
RUBY LASERS
SATURATION
SCATTERING
SOLID STATE LASERS
THOMSON SCATTERING
VARIATIONS