Quenching of two-plasmon decay and stimulated-Raman-scattering instabilities by profile modification
Journal Article
·
· Phys. Fluids; (United States)
The development of the electron density distribution in a CO/sub 2/-laser irradiated underdense N/sub 2/ gas jet is investigated interferometrically and is correlated to the observation of fast electrons generated by the two-plasmon decay and stimulated-Raman-scattering instabilities. During the 2 nsec laser pulse the quarter critical density scale length initially increases but soon ponderomotive forces steepen the profile resulting in a quenching of the fast electron emission.
- Research Organization:
- Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada, V6T 1A6
- OSTI ID:
- 5537885
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 26:11; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
COHERENT SCATTERING
CORRELATIONS
DISTRIBUTION
ELECTRON DENSITY
ELECTRON EMISSION
ELEMENTS
EMISSION
FLUID FLOW
FLUIDS
GASES
IMPLOSIONS
INSTABILITY
INTERFEROMETRY
JETS
LAMINAR FLOW
LASER IMPLOSIONS
LASER-PRODUCED PLASMA
MOLECULES
NITROGEN
NONMETALS
PARAMETRIC INSTABILITIES
PLASMA
PLASMA DIAGNOSTICS
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMONS
PULSES
QUASI PARTICLES
RAMAN EFFECT
SCATTERING
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
COHERENT SCATTERING
CORRELATIONS
DISTRIBUTION
ELECTRON DENSITY
ELECTRON EMISSION
ELEMENTS
EMISSION
FLUID FLOW
FLUIDS
GASES
IMPLOSIONS
INSTABILITY
INTERFEROMETRY
JETS
LAMINAR FLOW
LASER IMPLOSIONS
LASER-PRODUCED PLASMA
MOLECULES
NITROGEN
NONMETALS
PARAMETRIC INSTABILITIES
PLASMA
PLASMA DIAGNOSTICS
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMONS
PULSES
QUASI PARTICLES
RAMAN EFFECT
SCATTERING