Study of electron-beam propagation through preionized dense foam plasmas

R. Jung, J. Osterholtz, K. Lowenbruck, S. Kiselev, G. Pretzler, A. Pukhov, O. Willi, S. Kar, M. Borghesi, W. Nazarov, S. Karsch, R. Clarke, D. Neely

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57 Citations (Scopus)
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The transport of an intense electron-beam produced by the Vulcan petawatt laser through dense plasmas has been studied by imaging with high resolution the optical emission due to electron transit through the rear side of coated foam targets. It is observed that the MeV-electron beam undergoes strong filamentation and the filaments organize themselves in a ringlike structure. This behavior has been modeled using particle-in-cell simulations of the laser-plasma interaction as well as of the transport of the electron beam through the preionized plasma. In the simulations the filamentary structures are reproduced and attributed to the Weibel instability.
Original languageEnglish
Article number195001
Number of pages4
JournalPhysical Review Letters
Issue number19
Early online date16 May 2005
Publication statusPublished - 20 May 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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