Supersonic propagation of ionization waves in an underdense, laser-produced plasma

Journal Article · Wed Jun 15 00:00:00 EDT 2005 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.1927540· OSTI ID:20764340

Constantin, C; Back, C A; Fournier, K B; Gregori, G; Landen, O L; Glenzer, S H; Dewald, E L; Miller, M C ^[1]

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1. Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550 (United States)

A laser-driven supersonic ionization wave propagating through a millimeter-scale plasma of subcritical density up to 2-3 keV electron temperatures was observed. Propagation velocities initially ten times the sound speed were measured by means of time-resolved x-ray imaging diagnostics. The measured ionization wave trajectory is modeled analytically and by a two-dimensional radiation-hydrodynamics code. The comparison to the modeling suggests that nonlocal heat transport effects may contribute to the attenuation of the heat-wave propagation.

• OSTI ID: 20764340
• Journal Information: Physics of Plasmas, Vol. 12, Issue 6; Other Information: DOI: 10.1063/1.1927540; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRON TEMPERATURE
HEAT TRANSFER
IONIZATION
LASER-PRODUCED PLASMA
PLASMA DIAGNOSTICS
PLASMA SIMULATION
PLASMA WAVES
TWO-DIMENSIONAL CALCULATIONS