Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 43, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/43/1/015401
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Funding
- CREST
- MEXT
- Matsuo Foundation
- IMRAM, Japan
- Federal Ministry of Education and Science, Bosnia
- Federal Ministry of Education and Science, Herzegovina
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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 x 10(14) W cm(-2). For Ar and Xe, spectra at different angles are also presented for the laser intensities of 2.4 x 10(14) W cm(-2) for Ar and 1.3 x 10(14) W cm(-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.
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