Physics – Atomic and Molecular Clusters
Scientific paper
2012-03-06
Physics
Atomic and Molecular Clusters
Scientific paper
Two-component nanoplasmas generated by strong-field ionization of doped helium nanodroplets are studied in a pump-probe experiment using few-cycle laser pulses in combination with molecular dynamics simulations. High yields of helium ions and a pronounced, droplet size-dependent resonance structure in the pump-probe transients reveal the evolution of the dopant-induced helium nanoplasma. The pump-probe dynamics is interpreted in terms of strong inner ionization by the pump pulse and resonant heating by the probe pulse which controls the final charge states detected via the frustration of electron-ion recombination.
Camus N.
Fechner L.
Fennel Th.
Fischer Baruch
Jha J.
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