Collimated Propagation of Fast Electron Beams Accelerated by High-Contrast Laser Pulses in Highly Resistive Shocked Carbon

X. Vaisseau, A. Morace, M. Touati, M. Nakatsutsumi, S. D. Baton, S. Hulin, Ph. Nicolaï, R. Nuter, D. Batani, F. N. Beg, J. Breil, R. Fedosejevs, J.-L. Feugeas, P. Forestier-Colleoni, C. Fourment, S. Fujioka, L. Giuffrida, S. Kerr, H. S. McLean, H. Sawada, V. T. Tikhonchuk, and J. J. Santos
Phys. Rev. Lett. 118, 205001 – Published 19 May 2017
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Abstract

Collimated transport of ultrahigh intensity electron current was observed in cold and in laser-shocked vitreous carbon, in agreement with simulation predictions. The fast electron beams were created by coupling high-intensity and high-contrast laser pulses onto copper-coated cones drilled into the carbon samples. The guiding mechanism—observed only for times before the shock breakout at the inner cone tip—is due to self-generated resistive magnetic fields of 0.51kT arising from the intense currents of fast electrons in vitreous carbon, by virtue of its specific high resistivity over the range of explored background temperatures. The spatial distribution of the electron beams, injected through the samples at different stages of compression, was characterized by side-on imaging of hard x-ray fluorescence.

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  • Received 14 November 2016

DOI:https://doi.org/10.1103/PhysRevLett.118.205001

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

X. Vaisseau1, A. Morace2, M. Touati1,3, M. Nakatsutsumi4,5, S. D. Baton4,5, S. Hulin1, Ph. Nicolaï1, R. Nuter1, D. Batani1, F. N. Beg6, J. Breil1, R. Fedosejevs7, J.-L. Feugeas1, P. Forestier-Colleoni1, C. Fourment1, S. Fujioka2, L. Giuffrida1, S. Kerr7, H. S. McLean8, H. Sawada9, V. T. Tikhonchuk1, and J. J. Santos1,*

  • 1Université de Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France
  • 2Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
  • 3Department of Electrical Engineering, University of California Los Angeles, Los Angeles, California 90095, USA
  • 4LULI–CNRS, Ecole Polytechnique, CEA, Université Paris-Saclay, F-91128 Palaiseau cedex, France
  • 5Sorbonne Universités, UPMC Université Paris 06, CNRS, LULI, place Jussieu, 75252 Paris cedex 05, France
  • 6University of California, San Diego, La Jolla, California 92093, USA
  • 7Department of Electrical and Computer Engineering, University of Alberta, Edmonton T6G 2G7, Canada
  • 8Lawrence Livermore National Laboratory, Livermore, California 94550, USA
  • 9University of Nevada, Reno, Nevada 89557, USA

  • *joao.santos@u-bordeaux.fr

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Issue

Vol. 118, Iss. 20 — 19 May 2017

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