Temporal coherence effects in multiple ionization of N2 via XUV pump-probe autocorrelation

Y. H. Jiang, T. Pfeifer, A. Rudenko, O. Herrwerth, L. Foucar, M. Kurka, K. U. Kühnel, M. Lezius, M. F. Kling, X. Liu, K. Ueda, S. Düsterer, R. Treusch, C. D. Schröter, R. Moshammer, J. Ullrich

研究成果: Article査読

61 被引用数 (Scopus)


Using a split-mirror stage combined with a reaction microscope, nonlinear autocorrelation traces of XUV pulses from the Free-electron LASer at Hamburg were recorded for N2 multiphoton-induced fragmentation into noncoincident N2⊃+ and coincident N2⊃++N2⊃+ channels. We find a pulse duration of 40±10 fs along with a sharp spike pointing to a coherence time of 4±1 fs, almost twice as short as in previous observations. Both are well reproduced by a simulation based on the partial-coherence model that includes the molecular dynamics leading to an ~12-fs substructure in the trace.

ジャーナルPhysical Review A - Atomic, Molecular, and Optical Physics
出版ステータスPublished - 2010 10 19

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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