Abstract
We report on the first direct voltage and current measurements from a laser-generated magnetic field coil target. The magnetic field was observed to scale with the laser intensity as B∝Ilaser0.66±0.13. This scaling relation can be derived from the measured voltage approximated by the laser-heated plasma electron temperature Te. The experiments used a 1053 nm laser with pulse lengths ranging from 0.5 to 20 ns and intensities ranging from 109 to 1014W/cm2 to generate an electric potential that drives current through the coil. We show that the behavior of the coil can be described with a lumped-element circuit model.
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