Progress in understanding the role of hot electrons for the shock ignition approach to inertial confinement fusion

Year: 2019

Authors: Batani D.; Antonelli L.; Barbato F.; Boutoux G.; Colaitis A.; Feugeas J. -L.; Folpini G.; Mancelli D.; Nicolai Ph.; Santos J.; Trela J.; Tikhonchuk V.; Badziak J.; Chodukowski T.; Jakubowska K.; Kalinowska Z.; Pisarczyk T.; Rosinski M.; Sawicka M.; Baffigi F.; Cristoforetti G.; D’Amato F.; Koester P.; Gizzi L. A.; Viciani S.; Atzeni S.; Schiavi A.; Skoric M.; Gus’kov S.; Honrubia J.; Limpouch J.; Klimo O.; Skala J.; Gu Y. J.; Krousky E.; Renner O.; Smid M.; Weber S.; Dudzak R.; Krus M.; Ullschmied J.

Autors Affiliation: Université Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, Talence, F-33405, France; York Plasma Physics Institute, Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom; Institute of Plasma Physics and Laser Microfusion, Warsaw, Poland; INO-CNR, Pisa and Florence, Italy; Dipartimento SBAI, Università di Roma la Sapienza, Roma, Italy; Vinca Institute of Nuclear Sciences, Belgrade, Serbia; P. N. Lebedev Physical Institute of RAS, Moscow, 119991, Russian Federation; ETSI Aeronautica and Espacio, Universidad Politecnica de Madrid, Plaza Cardenal Cisneros 3, Madrid, E-28040, Spain; Czech Technical University in Prague, FNSPE, Prague, Czech Republic; Institute of Physics of ASCR, ELI-Beamlines, Na Slovance 2, Prague, Czech Republic; Institute of Plasma Physics of the ASCR, PALS, Za Slovankou 3, Prague, 182 00, Czech Republic; Department of Plasma Physics, National Research Nuclear University MEPhI, Moscow, Russian Federation; CEA, DAM, DIF, Arpajon, F-91297, France

Abstract: This paper describes the results of a series of experiments conducted with the PALS laser at intensities of interest for the shock ignition approach to inertial fusion. In particular, we addressed the generation of hot electrons (HE) (determining their average energy and number), as well as the parametric instabilities which are producing them. In addition, we studied the impact of HE on the formation and dynamics of strong shocks.

Journal/Review: NUCLEAR FUSION

Volume: 59 (3)      Pages from: 032012-1  to: 032012-14

More Information: This work has been 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 has received funding from the Euratom research and training programme 2014-2018 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission.r The work was also supported by the European Union under the Laserlab program, by the Competitiveness Program of NRNU MEPhI, Russia, and by the Czech Ministry of Education, Youth and Sports, projects LD14089, LM2015083 and LM2010014. The authors also acknowledge targeted support of Large Infrastructures, ELI Beamlines Project LQ1606 of the National Programme of Sustainability II and ELI Tools for Advanced Simulation (ELITAS) (CZ.02.1.01/0.0/0.0/16 013/0001793) from European Regional Development Fund. Finally, the authors are grateful the PALS staff for help in running the experiments.
KeyWords: Inertial confinement fusion; Plasma diagnostics; Preheating, Average energy; Inertial fusion; Parametric instabilities; Shock generation; Shock ignitions, Hot electrons
DOI: 10.1088/1741-4326/aaf0ed

Citations: 29
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