Creation of persistent, straight, 2 mm long laser driven channels in underdense plasmas

Gianluca Sarri, K.L. Lancaster, R. Trines, E.L. Clark, S. Hassan, J. Jiang, N. Kageiwa, N. Lopes, R. Ramis, A. Rehman, X. Ribeyre, C. Russo, R.H.H. Scott, T. Tanimoto, M. Temporal, Marco Borghesi, J.R. Davies, Z. Najmudin, K.A. Tanaka, M. TatarakisP.A. Norreys

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20 Citations (Scopus)


The experimental study of the behavior of deuterium plasma with densities between 2 X 1018 and 2 x 10(20) cm(-3), subjected to a 6 TW, 30 ps, 3 X 10(18) W cm(-2) laser pulse, is presented Conclusive experimental proof that a single straight channel is generated when the laser pulse interacts with the lowest densities is provided This channel shows no small-scale longitudinal density modulations, extends up to 2 mm in length and persists for up to 150 ps after the peak of the interaction Bifurcation of the channel after 1 mm propagation distance is observed for the first time For higher density interactions, above the relativistic self-focusing threshold, bubblelike structures are observed to form at late times These observations have implications for both laser wakefield accelerators and fast ignition inertial fusion studies (C) 2010 American Institute of Physics [doi 10 1063/1 3505305]
Original languageEnglish
Article number113303
JournalPhysics of Plasmas
Issue number11
Publication statusPublished - Nov 2010

ASJC Scopus subject areas

  • Condensed Matter Physics


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