Generation of high pressure shocks relevant to the shock-ignition intensity regime

Year: 2014

Authors: Batani D., Antonelli L., Atzeni S., Badziak J., Baffigi F., Chodukowski T., Consoli F., Cristoforetti G., De Angelis R., Dudzak R., Folpini G., Giuffrida L., Gizzi LA., Kalinowska Z., Koester P., Krousky E., Krus M., Labate L., Levato T., Maheut Y., Malka G., Margarone D., Marocchino A., Nejdl J., Nicolai Ph., O’Dell T., Pisarczyk T., Renner O., Rhee YJ., Ribeyre X., Richetta M., Rosinski M., Sawicka M., Schiavi A., Skala J., Smid M., Spindloe Ch., Ullschmied J., Velyhan A., Vinci T.

Autors Affiliation: Université Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France; Università di Roma “Tor Vergata,” Roma, Italy; Dipartimento SBAI, Université di Roma “La Sapienza” and CNISM, Roma, Italy; Institute of Plasma Physics and Laser Microfusion, Warsaw, Poland; Intense Laser Irradiation Laboratory, INO-CNR, Pisa, Italy; CRE, ENEA, Frascati, Italy; Institute of Plasma Physics of the ASCR, PALS, Za Slovankou 3, 182 00 Prague, Czech Republic; Institute of Physics of the ASCR, ELI-Beamlines/HiLASE/PALS, Na Slovance 2, 182 21 Prague, Czech Republic; Czech Technical University, Prague, Czech Republic; Scitech Precision Ltd, Rutherford Appleton Laboratory, Harwell Oxford, Didcot, Oxon, OX11 0QX, United Kingdom; Korea Atomic Energy Research Institute, Daejeon 305-353, South Korea; LULI, Ecole Polytechnique CNRS, Palaiseau, France

Abstract: An experiment was performed using the PALS laser to study laser-target coupling and laser-plasma interaction in an intensity regime <= 10(16) W/cm(2), relevant for the \"shock ignition\" approach to Inertial Confinement Fusion. A first beam at low intensity was used to create an extended preformed plasma, and a second one to create a strong shock. Pressures up to 90 Megabars were inferred. Our results show the importance of the details of energy transport in the overdense region. (C) 2014 AIP Publishing LLC. Journal/Review: PHYSICS OF PLASMAS

Volume: 21 (3)      Pages from: 032710  to: 032710

More Information: We acknowledge the support of HiPER project and Preparatory Phase Funding Agencies (EC, MSMT, and STFC). The work was also supported by the European Union under the \”Laserlab\” program of the 7th FP, by the Czech Ministry of Education, Youth and Sports, Project Nos. LC528 and LM2010014, by the Italian MIUR (Grants No. PRIN 2009FCC9MS and No. PRIN 2012AY5LEL), Sapienza University (Grant 2012 C26A12CZH2), and by the National Centre for Science (NCN), Poland, under Grant No. 2012/04/M/ST2/00452. SciTech Precision and Rutherford Appleton Laboratory Target Fabrication Group supplied targets. Finally, we thank the technical staff of PALS for help in running the experiments.
DOI: 10.1063/1.4869715

Citations: 56
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