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  • Ferri, Julien,1990Chalmers University of Technology (author)

Enhancement of laser-driven ion acceleration in non-periodic nanostructured targets

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:7773a516-a94d-4cb6-a051-7c1977f0e117
  • https://doi.org/10.1017/S0022377819000898DOI
  • https://research.chalmers.se/publication/515241URI
  • https://research.chalmers.se/publication/515149URI
  • https://research.chalmers.se/publication/515168URI
  • https://lup.lub.lu.se/record/9b66180a-8706-44f8-8b6d-ed045870dd43URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Using particle-in-cell simulations, we demonstrate an improvement of the target-normal-sheath acceleration (TNSA) of protons in non-periodically nanostructured targets with micron-scale thickness. Compared to standard flat foils, an increase in the proton cutoff energy by up to a factor of two is observed in foils coated with nanocones or perforated with nanoholes. The latter nano-perforated foils yield the highest enhancement, which we show to be robust over a broad range of foil thicknesses and hole diameters. The improvement of TNSA performance results from more efficient hot-electron generation, caused by a more complex laser-electron interaction geometry and increased effective interaction area and duration. We show that TNSA is optimized for a nanohole distribution of relatively low areal density and that is not required to be periodic, thus relaxing the manufacturing constraints.

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  • Thiele, Illia,1989Chalmers University of Technology(Swepub:cth)illia (author)
  • Siminos, E.University of Gothenburg (author)
  • Gremillet, L.Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA),The French Alternative Energies and Atomic Energy Commission (CEA),French Alternative Energies and Atomic Energy Commission (CEA) (author)
  • Smetanina, E.University of Gothenburg (author)
  • Dmitriev, A.University of Gothenburg (author)
  • Cantono, G.Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Lunds lasercentrum, LLC,Annan verksamhet, LTH,Lund Laser Centre, LLC,Other operations, LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-cwa (author)
  • Wahlstrom, C-GLunds universitet,Lund University (author)
  • Fülöp, Tünde,1970Chalmers University of Technology(Swepub:cth)tunde (author)
  • University of GothenburgChalmers University of Technology (creator_code:org_t)

Related titles

  • In:Journal of Plasma Physics86:10022-37781469-7807

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