Resonance and ac Stark effects in three-photon ionization of Cs
- 1 February 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 15 (2), 727-731
- https://doi.org/10.1103/physreva.15.727
Abstract
We present a theoretical analysis of an experiment on near-resonant three-photon ionization of Cs. We have calculated all parameters entering in the equations for the density matrix and have shown that previously invoked higher-order laser-induced Stark shifts are negligible. A complete solution of the equations suggests that the observed unusual dependence of the ion signal on laser intensity is the result of spatial beam effects.Keywords
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