Journal of Physics B Atomic and Molecular Physics · 1980 · 57 citations · 7 references
Natural SciencesPhysicsAtomic PhysicsIonization ProcessesLaser PhysicsAtom-field InteractionsMultiphoton ExcitationMultiphoton IonizationMultiphoton ProcessesMultiphoton TransitionsNon-perturbative EffectsStrong-field Laser-matter InteractionWeak-field Approximation
(n+p)-photon ionisation of atoms is studied when n-photon ionisation is energetically possible. A non-perturbative treatment is described. The corresponding results agree with the predictions of perturbative theory in the weak-field limit. The effect of the light pulse shape is discussed.
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Free-Free Transitions Following Six-Photon Ionization of Xenon Atoms
Pierre Agostini, F. Fabre, G. Mainfray et al. · Physical Review Letters · 1979 · 1.5K citations · Full text