Laser technology - Measuring huge magnetic fields

M. Tatrakis, I. Watts, F. Beg, E. Clarke, A.E. Dangor, A. Gopal, M. Haines, U. Wagener, M.S. Wei, Matthew Zepf, K. Krushelnick

Research output: Contribution to journalArticlepeer-review

192 Citations (Scopus)


Huge magnetic fields are predicted1–4 to exist in the high-density region of plasmas produced during intense laser–matter interaction, near the criticaldensity 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.
Original languageEnglish
Pages (from-to)280-280
Number of pages1
Publication statusPublished - Jan 2002


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