Time-resolved observation of ultrahigh intensity laser-produced electron jets propagating through transparent solid targets

  • L. Gremillet
  • , F. Amiranoff
  • , S. D. Baton
  • , J. C. Gauthier
  • , M. Koenig
  • , E. Martinolli
  • , F. Pisani
  • , G. Bonnaud
  • , C. Lebourg
  • , C. Rousseaux
  • , C. Toupin
  • , A. Antonicci
  • , D. Batani
  • , A. Bernardinello
  • , T. Hall
  • , D. Scott
  • , P. Norreys
  • , H. Bandulet
  • , H. Pépin

Research output: Contribution to journalArticlepeer-review

Abstract

We report on shadowgraphic measurements showing the first space- and time-resolved snapshots of ultraintense laser pulse-generated fast electrons propagating through a solid target. A remarkable result is the formation of highly collimated jets (<20-μm) traveling at the velocity of light and extending up to 1 mm. This feature clearly indicates a magnetically assisted regime of electron transport, of critical interest for the fast ignitor scheme. Along with these jets, we detect a slower (≈c/2) and broader (up to 1 mm) ionization front consistent with collisional hot electron energy transport. 1999

Original languageEnglish
Pages (from-to)5015-5018
Number of pages4
JournalPhysical Review Letters
Volume83
Issue number24
DOIs
Publication statusPublished - 1 Jan 1999

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