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Clusters in strong laser fields: Comparison between carbon, platinum, and lead clusters

  • M. Schumacher
  • S. Teuber
  • L. Köller
  • J. Köhn
  • J. Tiggesbäumker
  • K. H. Meiwes-Broer
Conference paper

Abstract

Carbon and metal clusters are excited by strong femtosecond laser pulses with up to 1016 W/cm2, yielding ionized clusters and highly charged atomic ions. For small carbon clusters and fullerenes the abundance of charged species correlates with the laser power, while for metal clusters the ionization efficiency is additionally strongly affected by the chosen laser pulse width which may result in an enhanced up-charging of the metal particle. In the case of platinum atomic charge states up to z = 20 are detected at a pulse duration of about 600 fs. This observation is in accordance with a model based on a multi-plasmon excitation process.

PACS

36.40.Vz Optical properties of clusters 36.40.Gk Plasma and collective effects in clusters 

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Copyright information

© Springer-Verlag Italia 1999

Authors and Affiliations

  • M. Schumacher
    • 1
  • S. Teuber
    • 1
  • L. Köller
    • 1
  • J. Köhn
    • 1
  • J. Tiggesbäumker
    • 1
  • K. H. Meiwes-Broer
    • 1
  1. 1.Fachbereich PhysikUniversität RostockRostockGermany

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