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High-flux electron beams from laser wakefield accelerators driven by petawatt lasers

Plasma Science and Technology 2017年第7期19卷 7-11页

作者：曾明 ovidiu tesileanu Extreme Light Infrastructure-Nuclear Physics Horia Hulubei National Institute for Physics and Nuclear Engineering

Laser wakefield accelerators （LWFAs） are considered to be one of the most compeuuve next- generation accelerator candidates. In this paper, we will study the potential high-flux electron beam production of an LWFA driven by petawatt-level laser pulses. In our three-dimensional particle-in-cell simulations, an optimal set of parameters gives -40 nC of charge with 2 PW laser power, thus -400 kA of instantaneous current if we assume the electron beam duration is 100 fs. This high flux and its secondary radiation are widely applicable in nuclear and QED physics, industrial imaging, medical and biological studies.

关键词： laser accelerator petawatt laser high-flux electron beam

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Current status and highlights of the ELI-NP research program

引用

Matter and Radiation at Extremes 2020年第2期5卷 2-25页

作者： K.A.Tanaka K.M.Spohr D.L.Balabanski S.Balascuta L.Capponi M.O.Cernaianu M.Cuciuc A.Cucoanes I.Dancus A.Dhal B.Diaconescu D.Doria P.Ghenuche D.G.Ghita S.Kisyov V.Nastasa J.F.Ong F.Rotaru D.Sangwan P.-A.Soderstrom D.Stutman G.Suliman O.tesileanu L.Tudor N.Tsoneva C.A.Ur D.Ursescu N.V.Zamfir Extreme Light Infrastructure(ELI-NP)and Horia Hulubei National Institute for R&Din Physics and Nuclear Engineering(IFIN-HH) Str.Reactorului No.30077125 Bucharest–M˘agureleRomania Johns Hopkins University 3400 N.Charles StreetBaltimoreMaryland 21218USA

The emergence of a new era reaching beyond current state-of-the-art ultrashort and ultraintense laser technology has been enabled by the approval of around V 850 million worth of structural funds in 2011–2012 by the European Commission for the installation of Extreme Light Infrastructure(ELI).The ELI project consists of three pillars being built in the Czech Republic,Hungary,and *** challenging proposal is based on recent technical progress allowing ultraintense laser fields in which intensities will soon be reaching as high as I0∼1023Wcm−*** tremendous technological advance has been brought about by the invention of chirped pulse amplification by Mourou and *** is hosting the ELI for Nuclear Physics(ELI-NP)pillar in M˘agurele near *** new facility,currently under construction,is intended to serve the broad national,European,and international scientific *** mission covers scientific research at the frontier of knowledge involving two *** first is laser-driven experiments related to NP,strong-field quantum electrodynamics,and associated vacuum *** second research domain is based on the establishment of a Compton-backscattering-based,high-brilliance,and intenseγbeam with Eγ≲19.5 MeV,which represents a merger between laser and accelerator *** system will allow the investigation of the nuclear structure of selected isotopes and nuclear reactions of relevance,for example,to astrophysics with hitherto unprecedented resolution and *** addition to fundamental themes,a large number of applications with significant societal impact will be *** implementation of the project started in January 2013 and is spearheaded by the ELI-NP/Horia Hulubei National Institute for Physics and Nuclear Engineering(IFIN-HH).Experiments will begin in early 2020.

关键词： intense frontier approval

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