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APS » Journals » Phys. Rev. Lett. » Volume 84 » Issue 3
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Phys. Rev. Lett. 84, 447–450 (2000)

Momentum Distributions of Nen+ Ions Created by an Intense Ultrashort Laser Pulse

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R. Moshammer1,*, B. Feuerstein1, W. Schmitt1,2, A. Dorn1, C. D. Schröter1, and J. Ullrich1
1Universität Freiburg, Hermann-Herder Strasse 3, D-79104 Freiburg, Germany
2Gesellschaft für Schwerionenforschung, D-64220 Darmstadt, Germany

H. Rottke3, C. Trump3, M. Wittmann3, G. Korn3, K. Hoffmann3, and W. Sandner3,4
3Max-Born-Institut, Rudower Chaussee 6, D-12489 Berlin, Germany
4Technische Universität Berlin, Hardenbergstrasse 36, D-10623 Berlin, Germany

Received 24 August 1999; published in the issue dated 17 January 2000

Vector momentum distributions of Nen+ (n = 1,2,3) ions created by 30 fs, ≈1 PW/cm2 laser pulses at 795 nm have been measured using recoil-ion momentum spectroscopy. Distinct maxima along the light polarization axis are observed at 4.0 and 7.5 a.u. for Ne2+ and Ne3+ production, respectively. Hence, mechanisms based on an instantaneous release of two (or more) electrons can be ruled out as a dominant contribution to nonsequential strong-field multiple ionization. The positions of the maxima are in accord with kinematical constraints set by the classical “rescattering model.”

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.447
DOI:
10.1103/PhysRevLett.84.447
PACS:
32.80.Rm, 31.90.+s, 32.80.Fb

*Email: Moshammer@physik.uni-freiburg.de

 
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