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Proton deflectometry of a capacitor coil target along two axes

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JournalHigh Power Laser Science and Engineering
DateAccepted/In press - 1 Jan 2020
DatePublished (current) - 2 Apr 2020
Volume8
Number of pages9
Original languageEnglish

Abstract

A developing application of laser-driven currents is the generation of magnetic fields of picosecond-nanosecond duration with magnitudes exceeding. 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.

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© The Author(s) 2020.

    Research areas

  • laboratory astrophysics, laser-driven coil targets, laser-plasma interaction, proton deflectometry, strong magnetic field

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