Abstract
The production of decelerated atomic beams of alkalines is now routine in several laboratories. Usually, the observation is carried out by using a second weak laser to perform a velocity analysis on the beam after the deceleration process. We report the observation of the laser cooling process in an atomic beam of sodium by monitoring the fluorescence of the atoms along the deceleration path,1 using for this purpose a single laser to both decelerate and probe the cooled atoms. A simple theoretical model describes very well the experimental results.
© 1989 Optical Society of America
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