Analysis of the simultaneous measurements of iron K- and L-shell radiation from ultrashort laser produced plasmas (Articolo in rivista)

Type
Label
  • Analysis of the simultaneous measurements of iron K- and L-shell radiation from ultrashort laser produced plasmas (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-4075/44/6/065602 (literal)
Alternative label
  • N.D. Ouart, A.S. Safronova, A. Ya. Faenov, T.A. Pikuz, S.V. Gasilov, F. Calegari, M. Nisoli, S. De Silvestri, S. Stagira, L. Poletto, P. Villoresi (2011)
    Analysis of the simultaneous measurements of iron K- and L-shell radiation from ultrashort laser produced plasmas
    in Journal of physics. B, Atomic molecular and optical physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • N.D. Ouart, A.S. Safronova, A. Ya. Faenov, T.A. Pikuz, S.V. Gasilov, F. Calegari, M. Nisoli, S. De Silvestri, S. Stagira, L. Poletto, P. Villoresi (literal)
Pagina inizio
  • 065602 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Nevada, Phys Dept MS220, Reno, NV 89557 USA [ 2 ] Russian Acad Sci, Joint Inst High Temp, Moscow 127412, Russia [ 3 ] Politecn Milan, Dept Phys, I-20133 Milan, Italy [ 4 ] CNR IFN, Lab Ultraviolet & Xray Opt Res, Padua, Italy [ 5 ] Univ Padua, DEI, Padua, Italy (literal)
Titolo
  • Analysis of the simultaneous measurements of iron K- and L-shell radiation from ultrashort laser produced plasmas (literal)
Abstract
  • High resolution x-ray spectra of plasmas produced by the interaction of Ti:Sa laser pulses (duration from 60 fs to 1 ps, and energy from 15 to 128 mJ) with a solid iron target are investigated. Interestingly, both L-shell and K-shell Fe spectra were simultaneously measured using a focusing spectrometer with spatial resolution. In particular, the L-shell Fe radiation from F-, Ne-, and Na-like ions between similar to 14-16.3 angstrom were observed from the first-order reflection with a mica crystal. Simultaneously measured alongside the L-shell radiation was the Fe cold K alpha lines (similar to 1.94 angstrom), from eighth-order reflection. Two non-LTE Fe kinetic models have been developed to account for the L-shell radiation from the Fe ions and for the K-shell radiation from low ionization stages emitting the Fe cold K alpha lines. Preliminary analysis of the simultaneously measured Fe L-and K-shell radiations from changing the time-duration, laser contrast, and focus of the experiments shows varying relative line intensities from different ionization stages. Resulting plasma parameters and their dependence on changing the time-duration, laser contrast, and laser focus will be discussed. (literal)
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