Numerical study of laser-induced blast wave coupled with unsteady ionization processes

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Abstract

We present the results of the numerical simulation of laser-induced blast wave coupled with rate equations to clarify the unsteady property of ionization processes during pulse heating. From comparison with quasi-steady computations, the plasma region expands more widely, which is sustained by the inverse-bremsstrahlung since an ionization equilibrium does not establish at the front of the plasma region. The delayed relaxation leads to the rapid expansion of the driving plasma and enhances the energy conversion efficiency from a pulse heating laser to the blast wave.

Original languageEnglish
Article number042019
JournalJournal of Physics: Conference Series
Volume112
Issue numberPart 4
DOIs
Publication statusPublished - 2008 Jun 12
Event5th International Conference on Inertial Fusion Sciences and Applications, IFSA 2007 - Kobe, Japan
Duration: 2007 Sep 92007 Sep 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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