Magnetic field generation during intense laser channelling in underdense plasma

  • A. G. Smyth
  • , G. Sarri
  • , M. Vranic
  • , Y. Amano
  • , D. Doria
  • , E. Guillaume
  • , H. Habara
  • , R. Heathcote
  • , G. Hicks
  • , Z. Najmudin
  • , H. Nakamura
  • , P. A. Norreys
  • , S. Kar
  • , L. O. Silva
  • , K. A. Tanaka
  • , J. Vieira
  • , M. Borghesi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
893 Downloads (Pure)

Abstract

Channel formation during the propagation of a high-energy (120 J) and long duration (30 ps) laser pulse through an underdense deuterium plasma has been spatially and temporally resolved via means of a proton imaging technique, with intrinsic resolutions of a few micron and a few ps, respectively. Conclusive proof is provided that strong azimuthally symmetric magnetic fields with a strength of around 0.5 MG are created inside the channel, consistent with the generation of a collimated beam of
relativistic electrons. The inferred electron beam characteristics may have implications for the cone-free fast-ignition scheme of inertial confinement fusion
Original languageEnglish
Article number063121
Number of pages9
JournalPhysics of Plasmas
Volume23
Issue number6
DOIs
Publication statusPublished - 30 Jun 2016

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