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Measuring huge magnetic fields

Author

Listed:
  • M. Tatarakis

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • I. Watts

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • F. N. Beg

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • E. L. Clark

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • A. E. Dangor

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • A. Gopal

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • M. G. Haines

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • P. A. Norreys

    (Rutherford Appleton Laboratory, Chilton, Didcot)

  • U. Wagner

    (Rutherford Appleton Laboratory, Chilton, Didcot)

  • M.-S. Wei

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • M. Zepf

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

  • K. Krushelnick

    (The Blackett Laboratory, Imperial College of Science, Technology and Medicine)

Abstract

Huge magnetic fields are predicted1,2,3,4 to exist in the high-density region of plasmas produced during intense laser–matter interaction, near the critical-density surface where most laser absorption occurs, but until now these fields have never been measured. By using pulses focused to extreme intensities to investigate laser–plasma interactions5, we have been able to record the highest magnetic fields ever produced in a laboratory – over 340 megagauss – by polarimetry measurements of self-generated laser harmonics.

Suggested Citation

  • M. Tatarakis & I. Watts & F. N. Beg & E. L. Clark & A. E. Dangor & A. Gopal & M. G. Haines & P. A. Norreys & U. Wagner & M.-S. Wei & M. Zepf & K. Krushelnick, 2002. "Measuring huge magnetic fields," Nature, Nature, vol. 415(6869), pages 280-280, January.
  • Handle: RePEc:nat:nature:v:415:y:2002:i:6869:d:10.1038_415280a
    DOI: 10.1038/415280a
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