Beg, F.

Clarke, E.

Dangor, A.E.

Gopal, A.

Haines, M.

Krushelnick, K.

Tatrakis, M.

Wagener, U.

Watts, I.

Wei, M.S.

Zepf, Matthew

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

Queen's University Belfast Research Portal

Laser technology - Measuring huge magnetic fields

Laser technology - Measuring huge magnetic fields

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Queen's University Belfast Research Portal