Abstract
Similar to atoms, simple two-atomic molecules show an excessive double ionization probability in high intensity ultra-short laser pulses indicative of non-sequential double ionization (NSDI). The presence of rescattering electrons, which is at the basis of atomic NSDI, was recently also found for the H2 molecule. Thus, one may expect electron scattering to be also the main mechanism for molecular NSDI in general. We are reporting here on the first differential investigations on double ionization of N2 and O2 in order to identify the molecular NSDI mechanism and to investigate possible effects of the initial bound molecular state on NSDI.
© 2004 Optical Society of America
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