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Multi-GeV electron beams from capillary-discharge-guided subpetawatt laser pulses in the self-trapping regime.
Leemans, W P; Gonsalves, A J; Mao, H-S; Nakamura, K; Benedetti, C; Schroeder, C B; Tóth, Cs; Daniels, J; Mittelberger, D E; Bulanov, S S; Vay, J-L; Geddes, C G R; Esarey, E.
Afiliação
  • Leemans WP; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA and Department of Physics, University of California, Berkeley, California 94720, USA.
  • Gonsalves AJ; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Mao HS; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Nakamura K; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Benedetti C; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Schroeder CB; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Tóth C; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Daniels J; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Mittelberger DE; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA and Department of Physics, University of California, Berkeley, California 94720, USA.
  • Bulanov SS; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA and Department of Physics, University of California, Berkeley, California 94720, USA.
  • Vay JL; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Geddes CG; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Esarey E; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Phys Rev Lett ; 113(24): 245002, 2014 Dec 12.
Article em En | MEDLINE | ID: mdl-25541775
ABSTRACT
Multi-GeV electron beams with energy up to 4.2 GeV, 6% rms energy spread, 6 pC charge, and 0.3 mrad rms divergence have been produced from a 9-cm-long capillary discharge waveguide with a plasma density of ≈7×10¹7 cm⁻³, powered by laser pulses with peak power up to 0.3 PW. Preformed plasma waveguides allow the use of lower laser power compared to unguided plasma structures to achieve the same electron beam energy. A detailed comparison between experiment and simulation indicates the sensitivity in this regime of the guiding and acceleration in the plasma structure to input intensity, density, and near-field laser mode profile.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article