Strong-field electron spectra of rare-gas atoms in the rescattering regime: Enhanced spectral regions and a simulation of the experiment

D. B. Milošević, W. Becker, M. Okunishi, G. Prümper, K. Shimada, K. Ueda

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50 Citations (Scopus)

Abstract

We report experimental and theoretical laser-induced photoelectron spectra of Ne, Ar, Kr and Xe in the direction of the laser polarization at laser intensities in the region 0.5-3.2 × 1014Wcm-2. For Ar and Xe, spectra at different angles are also presented for the laser intensities of 2.4 × 1014Wcm-2 for Ar and 1.3 × 1014Wcm-2 for Xe. Resonance-like structures evolve as a function of the laser intensity in the longitudinal spectra, which become suppressed at large angles. The simulations are in the context of the strong-field approximation, which is augmented to account for rescattering and the atom-specific electron-positive-ion scattering potentials, and they include focal averaging as well as saturation. Agreement between the data and these simulations is generally fair, especially for intensities below the saturation regime.

Original languageEnglish
Article number015401
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume43
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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