Suppression of Multiple Ionization of Atomic Ions in Intense Ultrafast Laser Pulses

J. B. Greenwood, I. M. G. Johnston, P. McKenna, I. D. Williams, T. R. J. Goodworth, J. H. Sanderson, W. A. Bryan, A. A. A. El-Zein, W. R. Newell, A. J. Langley, E. J. Divall
2002 Physical Review Letters  
The interaction of an intense laser field with a beam of atomic ions has been investigated experimentally for the first time. The ionization dynamics of Ar 1 ions and Ar neutrals in a 60 fs, 790 nm laser pulse have been compared and contrasted at intensities up to 10 16 W cm 22 . Our results show that nonsequential ionization from an Ar 1 target is strongly suppressed compared with that from the corresponding neutral target. We have also observed for the first time the strong field ionization
more » ... high lying target metastable levels in the Ar 1 beam.
doi:10.1103/physrevlett.88.233001 pmid:12059360 fatcat:onizhvrwybfpbhivci3ygmbpxy