Laser ion acceleration using a solid target coupled with a low-density layer (Articolo in rivista)

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  • Laser ion acceleration using a solid target coupled with a low-density layer (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevE.85.036405 (literal)
Alternative label
  • Sgattoni A. [ 1,2 ] ; Londrillo P. [ 3,4 ] ; Macchi A. [ 2,5 ] ; Passoni M. [ 1 ] (2012)
    Laser ion acceleration using a solid target coupled with a low-density layer
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sgattoni A. [ 1,2 ] ; Londrillo P. [ 3,4 ] ; Macchi A. [ 2,5 ] ; Passoni M. [ 1 ] (literal)
Pagina inizio
  • 036405 (literal)
Pagina fine
  • 036405 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 85 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Politecn Milan, Dipartimento Energia, I-20133 Milan, Italy [ 2 ] Consiglio Nazl Ric CNR INO, Ist Nazl Ott, Res Unit Adriano Gozzini, Pisa, Italy [ 3 ] INAF Bologna Osservatorio Astron, I-40127 Bologna, Italy [ 4 ] Ist Nazl Fis Nucl, Sez Bologna, I-40127 Bologna, Italy [ 5 ] Univ Pisa, Dept Phys Enrico Fermi, I-56127 Pisa, Italy (literal)
Titolo
  • Laser ion acceleration using a solid target coupled with a low-density layer (literal)
Abstract
  • We investigate by particle-in-cell simulations in two and three dimensions the laser-plasma interaction and the proton acceleration in multilayer targets where a low-density (\"near-critical\") layer of a few-micron thickness is added on the illuminated side of a thin, high-density layer. This target design can be obtained by depositing a \"foam\" layer on a thin metallic foil. The presence of the near-critical plasma strongly increases both the conversion efficiency and the energy of electrons and leads to enhanced acceleration of protons from a rear side layer via the target normal sheath acceleration mechanism. The electrons of the foam are strongly accelerated in the forward direction and propagate on the rear side of the target, building up a high electric field with a relatively flat longitudinal profile. In these conditions the maximum proton energy is up to three times higher than in the case of the bare solid target. (literal)
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