Search: onr:"swepub:oai:research.chalmers.se:7773a516-a94d-4cb6-a051-7c1977f0e117" >
Enhancement of lase...
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Ferri, Julien,1990Chalmers University of Technology
(author)
Enhancement of laser-driven ion acceleration in non-periodic nanostructured targets
- Article/chapterEnglish2020
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2020
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electronicrdacarrier
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LIBRIS-ID:oai:research.chalmers.se:7773a516-a94d-4cb6-a051-7c1977f0e117
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https://doi.org/10.1017/S0022377819000898DOI
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https://research.chalmers.se/publication/515241URI
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https://research.chalmers.se/publication/515149URI
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https://research.chalmers.se/publication/515168URI
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https://lup.lub.lu.se/record/9b66180a-8706-44f8-8b6d-ed045870dd43URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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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)
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Siminos, E.University of Gothenburg
(author)
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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)
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Smetanina, E.University of Gothenburg
(author)
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Dmitriev, A.University of Gothenburg
(author)
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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)
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Wahlstrom, C-GLunds universitet,Lund University
(author)
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Fülöp, Tünde,1970Chalmers University of Technology(Swepub:cth)tunde
(author)
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University of GothenburgChalmers University of Technology
(creator_code:org_t)
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In:Journal of Plasma Physics86:10022-37781469-7807
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Siminos, E.
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Gremillet, L.
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Smetanina, E.
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Dmitriev, A.
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Cantono, G.
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