Verification of the ponderomotive approximation for the ac Stark shift in Xe Rydberg levels
- 1 February 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 49 (2) , R649-R652
- https://doi.org/10.1103/physreva.49.r649
Abstract
We report direct measurements of the ac Stark shifts of Xe Rydberg levels in high-intensity laser fields (up to 6 GW/), demonstrating the expected near-ponderomotive behavior. These measurements provide extensive unambiguous evidence for the validity of perturbative calculations of the nonresonant ac Stark shift at these intensities.
Keywords
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