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Calculations of Brillouin backscatter in laser-produced plasmas

Technical Report ·
OSTI ID:6489143
;
Brillouin backscatter is calculated in an inhomogeneous laser produced plasma. Equations for the spatial dependence of the incident reflected and sound wave are numerically integrated through the underdense plasma. Effects investigated are the stabilizing effects of ion heating or nonlinear sound wave dissipation, flow velocity magnitude and gradient, electron heating and broad band incident laser light. We find that the effect of velocity gradient and broad band light can be very important in reducing the backscatter.
Research Organization:
Naval Research Lab., Washington, DC (USA)
DOE Contract Number:
AI01-77DP40042
OSTI ID:
6489143
Report Number(s):
NRL-MR-4503
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
700208* -- Fusion Power Plant Technology-- Inertial Confinement Technology
BACKSCATTERING
BRILLOUIN EFFECT
COHERENT SCATTERING
HEATING
ION TEMPERATURE
LASER-PRODUCED PLASMA
PLASMA
PLASMA HEATING
SCATTERING
SOUND WAVES