首页|Optimizing laser coupling,matter heating,and particle acceleration from solids using multiplexed ultra intense lasers

Optimizing laser coupling,matter heating,and particle acceleration from solids using multiplexed ultra intense lasers

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Realizing the full potential of ultrahigh-intensity lasers for particle and radiation generation will require multi-beam arrangements due to technology limitations.Here,we investigate how to optimize their coupling with solid targets.Experimentally,we show that overlapping two intense lasers in a mirror-like configuration onto a solid with a large preplasma can greatly improve the generation of hot electrons at the target front and ion acceleration at the target backside.The underlying mechanisms are analyzed through multidimensional particle-in-cell simulations,revealing that the self-induced magnetic fields driven by the two laser beams at the target front are susceptible to reconnection,which is one possible mechanism to boost electron energization.In addition,the resistive magnetic field generated during the transport of the hot electrons in the target bulk tends to improve their collimation.Our simulations also indicate that such effects can be further enhanced by overlapping more than two laser beams.

Weipeng Yao、Motoaki Nakatsutsumi、Sébastien Buffechoux、Patrizio Antici、Marco Borghesi、Andrea Ciardi、Sophia N.Chen、Emmanuel d'Humières、Laurent Gremillet、Robert Heathcote、Vojtěch Horny、Paul McKenna、Mark N.Quinn、Lorenzo Romagnani、Ryan Royle、Gianluca Sarri、Yasuhiko Sentoku、Hans-Peter Schlenvoigt、Toma Toncian、Olivier Tresca、Laura Vassura、Oswald Willi、Julien Fuchs

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LULI-CNRS,CEA,Sorbonne Université,Ecole Polytechnique,Institut Polytechnique de Paris,F-91128 Palaiseau Cedex,France

Sorbonne Université,Observatoire de Paris,Université PSL,CNRS,LERMA,F-75005 Paris,France

INRS-EMT,1650 Boul,Lionel-Boulet,Varennes,Quebec J3X 1S2,Canada

Center for Plasma Physics,School of Mathematics and Physics,Queen's University Belfast,Belfast BT7 1NN,United Kingdom

"Horia Hulubei"National Institute for Physics and Nuclear Engineering,30 Reactorului Street,RO-077125 Bucharest-Magurele,Romania

University of Bordeaux,Centre Lasers Intenses et Applications,CNRS,CEA,UMR 5107,F-33405 Talence,France

CEA,DAM,DIF,F-91297 Arpajon,France

Université Paris-Saclay,CEA,LMCE,91680 Bruyères-le-Châtel,France

Central Laser Facility,STFC Rutherford Appleton Laboratory,Didcot,United Kingdom

SUPA,Department of Physics,University of Strathclyde,Glasgow G4 0NG,United Kingdom

Department of Physics,University of Nevada,Reno,Nevada 89557,USA

Institute of Laser Engineering,Osaka University,2-6 Yamadaoka,Suita,Osaka 565-0871,Japan

Institut für Laser und Plasmaphysik,Heinrich Heine Universität Düsseldorf,Düsseldorf,Germany

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European Research Council(ERC)under the European Union's Horizon 2020 research and innovation programEPRSCEPRSCEPRSCNational Sciences and Engineering Research Council of Canada(NSERC),Compute CanadaNational Sciences and Engineering Research Council of Canada(NSERC),Compute CanadaRomanian Government and European Union through the European Regional Development Fund

787539EP/E035728EP/C003586EP/P010059/1Job:pve-323-acPA

2024

10.1063/5.0184919

极端条件下的物质与辐射(英文)
中国工程物理研究院科技信息中心

极端条件下的物质与辐射(英文)

ISSN：2468-2047
年,卷(期)：2024.9(4)