Plasma ion evolution in the wake of a high-intensity ultrashort laser pulse

M. Borghesi, S.V. Bulanov, T. Zh. Esirkepov , S. Fritzler, S. Kar, T.V. Liseikina, V. Malka, F. Pegoraro, L. Romagnani, J.P. Rousseau, A. Schiavi, O. Willi, A. V. Zayats

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Experimental investigations of the late-time ion structures formed in the wake of an ultrashort, intense laser pulse propagating in a tenuous plasma have been performed using the proton imaging technique. The pattern found in the wake of the laser pulse shows unexpectedly regular modulations inside a long, finite width channel. On the basis of extensive particle in cell simulations of the plasma evolution in the wake of the pulse, we interpret this pattern as due to ion modulations developed during a two-stream instability excited by the return electric current generated by the wakefield.
Original languageEnglish
Article number195003
Number of pages1
JournalPhysical Review Letters
Issue number19
Publication statusPublished - 17 May 2005

ASJC Scopus subject areas

  • General Physics and Astronomy


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