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Reflecting laser-driven shocks in diamond in the megabar pressure range

High Power Laser Science and Engineering 2021年第1期9卷 29-41页

作者： K.jakubowska D.Mancelli R.Benocci j.trela I.Errea A.S.Martynenko P.Neumayer O.Rosmej B.Borm A.Molineri C.Verona D.Cannatà A.Aliverdiev H.E.Roman D.Batani IPPLM Institute of Plasma Physics and Laser Microfusion WarsawPoland CNRS CEACELIAUniversite de BordeauxTalenceFrance Donostia International Physics Center(DIPC) Donostia-San SebastianBasque CountrySpain Department of Earth and Environmental Sciences University of Milano-BicoccaMilanoItaly Fisika Aplikatua 1 Saila Ingeniaritza EskolaUniversity of the Basque Country(UPV/EHU)Basque CountrySpain&Centro de Física de Materiales(CSIC-UPV/EHU)Donostia/San SebastianBasque CountrySpain Department of Plasma Physics National Research Nuclear University MEPh IMoscowRussia joint Institute for High Temperature RAS MoscowRussia GSI Helmholtzzentrum für Schwerionenforschung GmbH DarmstadtGermany Dipartimento di Ingegneria Industriale Universitàdegli studi di Roma“Tor Vergata”RomaItaly Institute for Microelectronics and Microsystems-CNR RomaItaly IGRRE-joint Institute for High Temperatures RAS MakhachkalaRussia Department of Physics“G.Occhialini” University of Milano-BicoccaMilanoItaly

In this work we present experimental results on the behavior of diamond at megabar pressure. The experiment was performed using the PHELIX facility at GSI in Germany to launch a planar shock into solid multi-layered diamond samples. The target design allows shock velocity in diamond and in two metal layers to be measured as well as the free surface velocity after shock breakout. As diagnostics, we used two velocity interferometry systems for any reflector(VISARs). Our measurements show that for the pressures obtained in diamond(between 3 and 9 Mbar),the propagation of the shock induces a reflecting state of the material. Finally, the experimental results are compared with hydrodynamical simulations in which we used different equations of state, showing compatibility with dedicated SESAME tables for diamond.

关键词： carbon dynamic compression equation of state shock wave VISAR

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Time evolution of stimulated Raman scattering and two-plasmon decay at laser intensities relevant for shock ignition in a hot plasma

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High Power Laser Science and Engineering 2019年第3期7卷 142-155页

作者： G.Cristoforetti L.Antonelli D.Mancelli S.Atzeni F.Baffigi F.Barbato D.Batani G.Boutoux F.D'Amato j.Dostal R.Dudzak E.Filippov Y.j.Gu L.juha O.Klimo M.Krus S.Malko A.S.Martynenko Ph.Nicolai V.Ospina S.Pikuz O.Renner j.Santos V.T.Tikhonchuk j.trela S.Viciani L.Volpe S.Weber L.A.Gizzi National Institute of Optics CNRPisa and FlorenceItaly York Plasma Physics Institute University of YorkHe slingtonYorkUK Universite de Bordeaux CNRSCEACELIATalenceFrance Donostia International Physics Center(DiPC) Donostia/San SebastianBasque CountrySpain Dipartimento SBAI Universita di Roma La SapienzaRomaItaly National Research Nuclear University MEPhl MoscowRussia CEA DAMDIFArpajonFrance Department of Radiation and Chemical Physics Institute of Physics of the CASPragueCzech Republic Laser Plasma Department Institute of Plasma Physics of the CASPragueCzech Republic joint Institute for High Temperature RAS MoscowRussia ELI-Beamlines Institute of Physics of the CASPragueCzech Republic FNSPE Czech Technical University in PraguePragueCzech Republic Universidad de Salamanca Ctr Laseres PulsadosSalamancaSpain Centro de Laseres Pulsados(CLPU) VillamayorSalamancaSpain

Laser–plasma interaction(LPI)at intensities 1015–1016 W·cm^-2 is dominated by parametric instabilities which can be responsible for a significant amount of non-collisional absorption and generate large fluxes of high-energy nonthermal *** a regime is of paramount importance for inertial confinement fusion(ICF)and in particular for the shock ignition *** this paper we report on an experiment carried out at the Prague Asterix Laser System(PALS)facility to investigate the extent and time history of stimulated Raman scattering(SRS)and two-plasmon decay(TPD)instabilities,driven by the interaction of an infrared laser pulse at an intensity^1.2×1016 W·cm^-2 with a^100μm scalelength plasma produced from irradiation of a flat plastic *** laser pulse duration(300 ps)and the high value of plasma temperature(~4 ke V)expected from hydrodynamic simulations make these results interesting for a deeper understanding of LPI in shock ignition *** results show that absolute TPD/SRS,driven at a quarter of the critical density,and convective SRS,driven at lower plasma densities,are well separated in time,with absolute instabilities driven at early times of interaction and convective backward SRS emerging at the laser peak and persisting all over the tail of the ***-scattering SRS,driven at low plasma densities,is also clearly *** results are compared to fully kinetic large-scale,two-dimensional ***-in-cell results,beyond reproducing the framework delineated by the experimental measurements,reveal the importance of filamentation instability in ruling the onset of SRS and stimulated Brillouin scattering instabilities and confirm the crucial role of collisionless absorption in the LPI energy balance.

关键词： plasma simulations shock ignition stimulated Raman scattering two-plasmon decay

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波兰华沙国家体育场

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城市环境设计 2013年第7期 174-177页

作者：福尔克温·玛格胡贝特·尼恩霍夫马库斯费斯德 Krystian trela Marcus Bredt

2012年,乌克兰和波兰共同承办了欧洲杯足球锦标赛。新建华沙波兰国家体育场的国际建筑设计竞赛于2007年举行。gmp国际建筑设计有限公司作为方案设计者与j.S.K.建筑设计事务所和施莱希伯格曼(schlaichbergermannundpartner)工程师事务所... 详细信息

2012年,乌克兰和波兰共同承办了欧洲杯足球锦标赛。新建华沙波兰国家体育场的国际建筑设计竞赛于2007年举行。gmp国际建筑设计有限公司作为方案设计者与j.S.K.建筑设计事务所和施莱希伯格曼(schlaichbergermannundpartner)工程师事务所共同组成的设计团队赢得了项目的设计委托。

关键词：波兰

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