Laboratory measurements of 0.7 GG magnetic fields generated during high-intensity laser interactions with dense plasmas

U. Wagner, M. Tatarakis, A. Gopal, F.N. Beg, E.L. Clark, A.E. Dangor, R.G. Evans, M.G. Haines, S.P.D. Mangles, P.A. Norreys, M.S. Wei, Matthew Zepf, K. Krushelnick

Research output: Contribution to journalArticlepeer-review

154 Citations (Scopus)

Abstract

We report measurements of ultrahigh magnetic fields produced during intense (similar to10(20) Wcm(-2) mum(2)) laser interaction experiments with solids. We show that polarization measurements of high-order vuv laser harmonics generated during the interaction (up to the 15th order) suggest the existence of magnetic field strengths of 0.7+/-0.1 GG in the overdense plasma. Measurements using higher order harmonics indicate that denser regions of the plasma can be probed. This technique may be useful for measurements of multi-GG level magnetic fields which are predicted to occur at even higher intensities.
Original languageEnglish
Article number026401
Pages (from-to)026401-1-026401-5
JournalPhysical Review E
Volume70
Issue number2 2
DOIs
Publication statusPublished - Aug 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Mathematical Physics

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