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Multiphoton pumping mechanisms

Similar transient signals were obtained from time-dependent quantum mechanical calculations performed by Meier and Engel, which well reproduce the observed behavior [49]. They show that for different laser field strengths the electronic states involved in the multiphoton ionization (MPI) are differently populated in Rabi-type processes. In Fig. 13 the population in the neutral electronic states is calculated during interaction of the molecule with 60-fs pulses at 618 nm. For lower intensities the A state is preferentially populated by the pump pulse, and the A state wavepacket dominates the transient Na2+ signal. However, for the higher intensities used in the... [Pg.69]

See other pages where Multiphoton pumping mechanisms is mentioned: [Pg.246]    [Pg.246]    [Pg.342]    [Pg.149]    [Pg.75]    [Pg.453]    [Pg.198]    [Pg.206]    [Pg.113]    [Pg.108]    [Pg.182]    [Pg.146]    [Pg.146]    [Pg.194]    [Pg.259]    [Pg.53]   
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