Probing angular correlations in sequential double ionization

A. Fleischer*, H. J. Wörner, L. Arissian, L. R. Liu, M. Meckel, A. Rippert, R. Dörner, D. M. Villeneuve, P. B. Corkum, A. Staudte

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We study electron correlation in sequential double ionization of noble gas atoms and HCl in intense, femtosecond laser pulses. We measure the photoelectron angular distributions of Ne+ relative to the first electron in a pump-probe experiment with 8 fs, 800 nm, circularly polarized laser pulses at a peak intensity of a few 1015W/cm2. Using a linear-linear pump-probe setup, we further study He, Ar, and HCl. We find a clear angular correlation between the two ionization steps in the sequential double ionization intensity regime.

Original languageEnglish
Article number113003
JournalPhysical Review Letters
Issue number11
StatePublished - 8 Sep 2011
Externally publishedYes


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