DOE OSTI · 2327000
Probing shock dynamics inside micro-wire targets after high-intensity laser irradiation using small angle x-ray scattering of a free-electron laser
Abstract
In this paper, we present an experiment that explores the plasma dynamics of a 7μm 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 or that expected from a thermal shock at a few tens of Mbar.
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Kluge, Thomas, Bussmann, Michael, Galtier, Eric, Glenzer, Siegfried, Grenzer, Jörg, Gutt, Christian, Hartley, Nicholas J., Huang, Lingen, Garcia, Alejandro Laso, Lee, Hae Ja, McBride, Emma E., Metzkes-Ng, Josefine, Nakatsutsumi, Motoaki, Nam, Inhyuk, Pelka, Alexander, Prencipe, Irene, Randolph, Lisa, Rehwald, Martin, Rödel, Christian, Rödel, Melanie, Toncian, Toma, Yang, Long, Zeil, Karl, Schramm, Ulrich, Cowan, Thomas E.. 2023-10-19. Probing shock dynamics inside micro-wire targets after high-intensity laser irradiation using small angle x-ray scattering of a free-electron laser. https://doi.org/10.1088/1367-2630%2Facfab5
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