We study the resonant interaction of a beam of two-level atoms with two counter-propagating frequency-chirped lasers, showing that the bistable response of the atomic deceleration to the sweeping rate gives origin to a double-peaked pseudo-stationary (PS) velocity distribution that lasts for a time interval which is orders of magnitude longer than the relaxation time to the PS state. Essentially the same response is predicted for a single laser interacting with two atomic transitions.

Bistability in the Laser Cooling of Atomic-Beams

Brambilla, M;
1991

Abstract

We study the resonant interaction of a beam of two-level atoms with two counter-propagating frequency-chirped lasers, showing that the bistable response of the atomic deceleration to the sweeping rate gives origin to a double-peaked pseudo-stationary (PS) velocity distribution that lasts for a time interval which is orders of magnitude longer than the relaxation time to the PS state. Essentially the same response is predicted for a single laser interacting with two atomic transitions.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11589/9784
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