Angle-Resolved High-Order Above-Threshold Ionization of a Molecule: Sensitive Tool for Molecular Characterization

M. Busuladžić, A. Gazibegović-Busuladžić, D. B. Milošević, and W. Becker
Phys. Rev. Lett. 100, 203003 – Published 23 May 2008

Abstract

The strong-field approximation for ionization of diatomic molecules by an intense laser field is generalized to include rescattering of the ionized electron off the various centers of its molecular parent ion. The resulting spectrum and its interference structure strongly depend on the symmetry of the ground state molecular orbital. For N2, if the laser polarization is perpendicular to the molecular axis, we observe a distinct minimum in the emission spectrum, which survives focal averaging and allows determination of, e.g., the internuclear separation. In contrast, for O2, rescattering is absent in the same situation.

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  • Received 19 November 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.203003

©2008 American Physical Society

Authors & Affiliations

M. Busuladžić1, A. Gazibegović-Busuladžić2, D. B. Milošević2,3, and W. Becker3

  • 1Medical Faculty, University of Sarajevo, Čekaluša 90, 71000 Sarajevo, Bosnia and Herzegovina
  • 2Faculty of Science, University of Sarajevo, Zmaja od Bosne 35, 71000 Sarajevo, Bosnia and Herzegovina
  • 3Max-Born-Institut, Max-Born-Strasse 2a, 12489 Berlin, Germany

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Vol. 100, Iss. 20 — 23 May 2008

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