Tracing Electron-Ion Recombination in Nanoplasmas Produced by Extreme-Ultraviolet Irradiation of Rare-Gas Clusters

B. Schütte, F. Campi, M. Arbeiter, Th. Fennel, M. J. J. Vrakking, and A. Rouzée

Phys. Rev. Lett. 112, 253401 – Published 25 June 2014

Abstract

We investigate electron-ion recombination in nanoplasmas produced by the ionization of rare-gas clusters with intense femtosecond extreme-ultraviolet (XUV) pulses. The relaxation dynamics following XUV irradiation is studied using time-delayed 790-nm pulses, revealing the generation of a large number of excited atoms resulting from electron-ion recombination. In medium-sized Ar-Xe clusters, these atoms are preferentially created in the Xe core within 10 ps after the cluster ionization. The ionization of excited atoms serves as a sensitive probe for monitoring the cluster expansion dynamics up to the ns time scale.

Received 27 January 2014

DOI:https://doi.org/10.1103/PhysRevLett.112.253401

Authors & Affiliations

B. Schütte^1,*, F. Campi², M. Arbeiter³, Th. Fennel³, M. J. J. Vrakking¹, and A. Rouzée¹

¹Max-Born-Institut, Max-Born-Strasse 2 A, 12489 Berlin, Germany
²Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
³Institute of Physics, University of Rostock, Universitätsplatz 3, 18051 Rostock, Germany

^*schuette@mbi-berlin.de

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Vol. 112, Iss. 25 — 27 June 2014

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