Dependence upon the molecular and atomic ground state of higher-order harmonic generation in the few-optical-cycle regime (Articolo in rivista)

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Label
  • Dependence upon the molecular and atomic ground state of higher-order harmonic generation in the few-optical-cycle regime (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.71.013409 (literal)
Alternative label
  • C. Altucci, R. Velotta, J. P. Marangos, E. Heesel, E. Springate, M. Pascolini, L. Poletto, P. Villoresi, C. Vozzi, G. Sansone, M. Anscombe, J-P. Caumes, S. Stagira, M. Nisoli (2005)
    Dependence upon the molecular and atomic ground state of higher-order harmonic generation in the few-optical-cycle regime
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • C. Altucci, R. Velotta, J. P. Marangos, E. Heesel, E. Springate, M. Pascolini, L. Poletto, P. Villoresi, C. Vozzi, G. Sansone, M. Anscombe, J-P. Caumes, S. Stagira, M. Nisoli (literal)
Pagina inizio
  • 013409 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 71 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Naples Federico II, Coherentia INFM, I-80126 Naples, Italy [ 2 ] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy [ 3 ] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England [ 4 ] Univ Padua, DEI, INFM, Lab Ultraviolet & Xray Opt Res, Padua, Italy [ 5 ] Univ Milan, INFM, Dipartimento Fis, Milan, Italy [ 6 ] Politecn Milan, INFM, Dipartimento Fis, Nalt Lab Ultrafast & Ultraintense Opt Sci, I-20133 Milan, Italy (literal)
Titolo
  • Dependence upon the molecular and atomic ground state of higher-order harmonic generation in the few-optical-cycle regime (literal)
Abstract
  • High-order harmonic generation from molecules (O-2, N-2, H-2, and CO2) and atoms (Xe, Ar, and Kr) has been studied in the few optical cycle domain. Two laser peak intensities; 2 X 10(14) and 6 x 10(14) W cm(-2), were compared. At the lower intensity spectra were approximately the same for molecules and atoms with the same ionization potential, at higher laser intensity the Cutoff Of O-2 and CO2 extends far beyond the cutoff of Xe and Kr, respectively, in contrast with N-2 and H-2 which exhibit cutoffs very close to that of Ar. This behavior is well explained by adopting an atomlike approximation for the molecule response in the high-field regime and employing the Lewenstein's model, properly modified in order to account for the nonlinear dipole moment of a randomly oriented molecule ensemble. (literal)
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