Spatially resolved analysis of Kα x-ray emission from plasmas induced by a femtosecond weakly relativistic laser pulse at various polarizations (Articolo in rivista)

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  • Spatially resolved analysis of Kα x-ray emission from plasmas induced by a femtosecond weakly relativistic laser pulse at various polarizations (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevE.87.023103 (literal)
Alternative label
  • Cristoforetti, G (Cristoforetti, G.)[ 1 ] ; Anania, MP (Anania, M. P.)[ 1 ] ; Faenov, AY (Faenov, A. Ya.)[ 2,3 ] ; Giulietti, A (Giulietti, A.)[ 1 ] ; Giulietti, D (Giulietti, D.)[ 4,5 ] ; Hansen, SB (Hansen, S. B.)[ 6 ] ; Koester, P (Koester, P.)[ 1 ] ; Labate, L (Labate, L.)[ 1,5 ] ; Levato, T (Levato, T.)[ 1,7,8 ] ; Pikuz, TA (Pikuz, T. A.)[ 2,3 ] ; Gizzi, LA (Gizzi, L. A.)[ 1,5 ] (2013)
    Spatially resolved analysis of Kα x-ray emission from plasmas induced by a femtosecond weakly relativistic laser pulse at various polarizations
    in Physical review. E, Statistical, nonlinear, and soft matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cristoforetti, G (Cristoforetti, G.)[ 1 ] ; Anania, MP (Anania, M. P.)[ 1 ] ; Faenov, AY (Faenov, A. Ya.)[ 2,3 ] ; Giulietti, A (Giulietti, A.)[ 1 ] ; Giulietti, D (Giulietti, D.)[ 4,5 ] ; Hansen, SB (Hansen, S. B.)[ 6 ] ; Koester, P (Koester, P.)[ 1 ] ; Labate, L (Labate, L.)[ 1,5 ] ; Levato, T (Levato, T.)[ 1,7,8 ] ; Pikuz, TA (Pikuz, T. A.)[ 2,3 ] ; Gizzi, LA (Gizzi, L. A.)[ 1,5 ] (literal)
Pagina inizio
  • 023103 (literal)
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  • http://pre.aps.org/abstract/PRE/v87/i2/e023103 (literal)
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  • 87 (literal)
Rivista
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  • 12 (literal)
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  • 2 (literal)
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  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1] INO CNR, ILIL, I-56124 Pisa, Italy [ 2 ] Japan Atom Energy Agcy, Quantum Beams Sci Directorate, Kizu, Kyoto 6190215, Japan [ 3 ] High Temp Russian Acad Sci, Moscow, Russia [ 4 ] E Fermi Univ Pisa, Dept Phys, I-56127 Pisa, Italy [ 5 ] Ist Nazl Fis Nucl, Pisa Sect, I-56127 Pisa, Italy [ 6 ] Sandia Natl Labs, Albuquerque, NM 87123 USA [ 7 ] Univ Roma Tor Vergata, Dipartimento Ingn Ind, I-00173 Rome, Italy [ 8 ] Fyzikln Stav AV R Vvi, Prague, Czech Republic (literal)
Titolo
  • Spatially resolved analysis of Kα x-ray emission from plasmas induced by a femtosecond weakly relativistic laser pulse at various polarizations (literal)
Abstract
  • Spatially resolved K-shell spectroscopy is used here to investigate the interaction of an ultrashort laser pulse (lambda = 800 nm, tau = 40 fs) with a Ti foil under intense irradiation (I lambda(2) = 2 x 10(18) W mu m(2) cm(-2)) and the following fast electron generation and transport into the target. The effect of laser pulse polarization (p, s, and circular) on the K alpha yield and line shape is probed. The radial structure of intensity and width of the lines, obtained by a discretized Abel deconvolution algorithm, suggests an annular distribution of both the hot electron propagation into the target and the target temperature. An accurate modeling of K alpha line shapes was performed, revealing temperature gradients, going from a few eV up to 15-20 eV, depending on the pulse polarization. Results are discussed in terms of mechanisms of hot electron generation and of their transport through the preplasma in front of the target. (literal)
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