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Nature ${rb.getVolume()}, 280 (${dateTool.format("d MMMMMMMMM yyyy",$article.PubDate)}) | doi:10.1038/415280a;
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Laser technologyMeasuring huge magnetic fields
Huge magnetic fields are predicted 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 interactions, 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.
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