Multiphoton Ionization of Xe and Kr with Intense 0.62-μm Femtosecond Pulses
- 11 July 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 61 (2), 153-156
- https://doi.org/10.1103/physrevlett.61.153
Abstract
Multiphoton ionization of Xe and Kr is investigated with intense 0.62-μm pulses of 900, 90, and 22 fsec duration. Deviation from the scaling of lowest-order perturbation theory is observed. For the shortest pulses a modified Keldysh theory closely fits the experimental data for xenon. The importance of dynamic resonances and the shifting ionization potential is discussed.Keywords
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