Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields

Th. Weber, M. Weckenbrock, A. Staudte, L. Spielberger, O. Jagutzki, V. Mergel, F. Afaneh, G. Urbasch, M. Vollmer, H. Giessen, and R. Dörner
Phys. Rev. Lett. 84, 443 – Published 17 January 2000
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Abstract

We have measured the momentum distributions of singly and doubly charged helium ions created in the focus of 220 fs, 800 nm laser pulses at intensities of (2.96.6)×1014W/cm2. All ions are emitted strongly aligned along the direction of polarization of the light. We find the typical momenta of the He2+ ions to be 5–10 times larger than those of the He1+ ions and a two peak structure at the highest intensity.

  • Received 20 August 1999

DOI:https://doi.org/10.1103/PhysRevLett.84.443

©2000 American Physical Society

Authors & Affiliations

Th. Weber1, M. Weckenbrock1, A. Staudte1, L. Spielberger1, O. Jagutzki1, V. Mergel1, F. Afaneh1, G. Urbasch2, M. Vollmer2, H. Giessen2, and R. Dörner1,*

  • 1Institut für Kernphysik, Universität Frankfurt, D-60486 Frankfurt, Germany
  • 2Fachbereich Physik, Philipps-Universität, Renthof 5, D-35032 Marburg, Germany

  • *Email address: doerner@hsb.uni-frankfurt.de

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Vol. 84, Iss. 3 — 17 January 2000

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