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We present the results of an experiment on laser-driven shock waves performed at the Prague Asterix Laser system (PALS), where the fundamental frequency of the laser (1315 nm) is used to launch a strong shock in planar geometry. The experiment aims to characterize both shock waves and hot electrons generated at intensities of ? 10 16 W / cm 2. It is shown that, in these interaction conditions, hydrodynamics is strongly impacted by noncollisional mechanisms, and the role of the hot electrons, generated by parametric instabilities, is essential in determining shock dynamics.

Laser-driven strong shocks with infrared lasers at intensity of 1016 W/cm2

Baffigi F;Cristoforetti G;Viciani S;Gizzi LA;
2019

Abstract

We present the results of an experiment on laser-driven shock waves performed at the Prague Asterix Laser system (PALS), where the fundamental frequency of the laser (1315 nm) is used to launch a strong shock in planar geometry. The experiment aims to characterize both shock waves and hot electrons generated at intensities of ? 10 16 W / cm 2. It is shown that, in these interaction conditions, hydrodynamics is strongly impacted by noncollisional mechanisms, and the role of the hot electrons, generated by parametric instabilities, is essential in determining shock dynamics.
2019
Istituto Nazionale di Ottica - INO
Inglese
WOS:000509382600008
26
11
112708
112708
13
2-s2.0-85075479403
https://aip.scitation.org/doi/10.1063/1.5119697
Sì, ma tipo non specificato
plasma waves; shock dynamics; hydrodynamic codes
This work was carried out within the framework of the EUROfusion Enabling Research Project: AWP17-ENR-IFE-CEA-01 Preparation and Realization of European Shock Ignition Experiments and received funding from the Euratom Research and Training Program 2014-2018 under Grant Agreement No. 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission. This work was also supported by the European Union under the Laserlab IV Program (PALS2196); by the Czech Ministry of Education, Youth and Sports, Projects LTT17015, LM2010014, CZ. 02.1.01/0.0/0.0/16013/0001552, CZ.02.1.01/0.0/0.0/16013/0001793; and within targeted support of Large Infrastructures, ELI Beamlines Project LQ1606 of the National Program of Sustainability II. Finally, the authors are grateful to the PALS staff for help in running the experiments.
21
info:eu-repo/semantics/article
262
Antonelli, L; Trela, J; Barbato, F; Boutoux, G; Nicolai, P; Batani, D; Tikhonchuk, V; Mancelli, D; Tentori, A; Atzeni, S; Schiavi, A; Baffigi, F; Cris...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/382625
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