| 1 | Proton deflectometry of a capacitor coil target along two axes显示文摘A developing application of laser-driven currents is the generation of magnetic fields of picosecond-nanosecond duration with magnitudes exceeding B=10 T.Single-loop and helical coil targets can direct laser-driven discharge currents along wires to generate spatially uniform,quasi-static magnetic fields on the millimetre scale.Here,we present proton deflectometry across two axes of a single-loop coil ranging from 1 to 2 mm in diameter.Comparison with proton tracking simulations shows that measured magnetic fields are the result of kiloampere currents in the coil and electric charges distributed around the coil target.Using this dual-axis platform for proton deflectometry,robust measurements can be made of the evolution of magnetic fields in a capacitor coil target. | P.Bradford M.P.Read M.Ehret L.Antonelli M.Khan N.Booth K.Glize D.Carroll R.J.Clarke R.Heathcote S.Ryazantsev S.Pikuz C.Spindloe J.D.Moody B.B.Pollock V.T.Tikhonchuk C.P.Ridgers J.J.Santos N.C.Woolsey | 2020 | High Power Laser Science and Engineering2020，8，2： | 0 |
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