Calculations on cooling of fast, multilevel atoms by intense laser fields
- 1 November 1989
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 6 (11) , 2125-2129
- https://doi.org/10.1364/josab.6.002125
Abstract
As a theoretical background for an ongoing experiment on longitudinal cooling of an energetic atomic beam by an intense laser field, we generalize the dressed-atom description of the atom—laser interaction from a two-level to a multilevel system. Expressions are presented for the average force on the atom, in particular in the limits of high and low velocities with respect to a standing wave, and the influence of fluctuations is studied through a Monte Carlo simulation. Appreciable cooling is predicted for a beam of 200-eV neon atoms traversing a 75-cm-long resonator in which the energy density is maintained by two 0.5-W cw lasers.Keywords
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