Supersonic propagation of ionization waves in an under-dense, laser-produced plasma
Journal Article
·
· Physics of Plasmas
OSTI ID:875673
We observe a laser-driven supersonic ionization wave heating a mm-scale plasma of sub-critical density up to 2-3 keV electron temperatures. Propagation velocities initially 10 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 2D radiation-hydrodynamics code. The comparison to the modeling suggests that nonlocal heat transport effects may contribute to the attenuation of the heat wave propagation.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 875673
- Report Number(s):
- UCRL-JRNL-207776; PHPAEN; TRN: US0600756
- Journal Information:
- Physics of Plasmas, Vol. 12; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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