Extraction of the species-dependent dipole amplitude and phase from high-order harmonic spectra in rare-gas atoms

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書誌事項

公開日
2008-08-11
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physreva.78.023814
公開者
American Physical Society (APS)

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説明

Based on high-order harmonic generation (HHG) spectra obtained from solving the time-dependent Schr\"odinger equation for atoms, we established quantitatively that the HHG yield can be expressed as the product of a returning electron wave packet and photorecombination cross sections, and the shape of the returning wave packet is shown to be largely independent of the species. By comparing the HHG spectra generated from different targets under identical laser pulses, accurate structural information, including the phase of the recombination amplitude, can be retrieved. This result opens up the possibility of studying the target structure of complex systems, including their time evolution, from the HHG spectra generated by short laser pulses.

収録刊行物

  • Physical Review A

    Physical Review A 78 (2), 2008-08-11

    American Physical Society (APS)

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