Interference Carpets in Above-Threshold Ionization: From the Coulomb-Free to the Coulomb-Dominated Regime

Ph. A. Korneev, S. V. Popruzhenko, S. P. Goreslavski, T.-M. Yan, D. Bauer, W. Becker, M. Kübel, M. F. Kling, C. Rödel, M. Wünsche, and G. G. Paulus
Phys. Rev. Lett. 108, 223601 – Published 31 May 2012

Abstract

The velocity map recorded in above-threshold ionization of xenon at 800 nm exhibits a distinct carpetlike pattern of maxima and minima for emission in the direction approximately perpendicular to the laser polarization. The pattern is well reproduced by a numerical solution of the time-dependent Schrödinger equation. In terms of the simple-man model and the strong-field approximation, it is explained by the constructive and destructive interference of the contribution of the long and the short orbit. Strictly perpendicular emission is caused by ionization at the two peaks of the laser field per cycle, which results in a 2ω separation of the above-threshold ionization rings.

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  • Received 9 March 2012

DOI:https://doi.org/10.1103/PhysRevLett.108.223601

© 2012 American Physical Society

Authors & Affiliations

Ph. A. Korneev, S. V. Popruzhenko, and S. P. Goreslavski

  • National Research Nuclear University MEPhI, Kashirskoe Shosse 31, 115409, Moscow, Russia

T.-M. Yan

  • Institut für Physik, Universität Rostock, 18051 Rostock, Germany and Max-Planck-Institut für Kernphysik, Postfach 103980, 69029 Heidelberg, Germany

D. Bauer

  • Institut für Physik, Universität Rostock, 18051 Rostock, Germany

W. Becker

  • Max-Born-Institut, Max-Born-Str. 2a, 12489 Berlin, Germany

M. Kübel and M. F. Kling

  • Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany

C. Rödel, M. Wünsche, and G. G. Paulus

  • Institute of Optics and Quantum Electronics, Friedrich Schiller University, Max-Wien-Platz 1, 07743 Jena, Germany

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Issue

Vol. 108, Iss. 22 — 1 June 2012

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