Probing the dynamics of solid density micro-wire targets after ultra-intense laser irradiation using a free-electron laser
arXiv:2302.03104 · doi:10.1088/1367-2630/acfab5
Abstract
In this paper, we present an experiment that explores the plasma dynamics of a 7 micron diameter carbon wire after being irradiated with a near-relativistic-intensity short pulse laser. Using an X-ray Free Electron Laser pulse to measure the small angle X-ray scattering signal, we observe that the scattering surface is bent and prone to instability over tens of picoseconds. The dynamics of this process are consistent with the presence of a sharp, propagating shock front inside the wire, moving at a speed close to the hole boring velocity.
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