Efficient sub-Doppler laser cooling of an Indium atomic beam.
Identifieur interne : 001F34 ( Main/Exploration ); précédent : 001F33; suivant : 001F35Efficient sub-Doppler laser cooling of an Indium atomic beam.
Auteurs : RBID : pubmed:19997360Abstract
We have realized efficient transverse cooling of an Indium atomic beam by combining optical pumping with a closed cycle UV laser cooling transition at 325.6 nm. The transverse velocity of the atomic beam is reduced to 13.5+/-3.8 cm/s, well below the Doppler cooling limit. The fraction of laser-cooled In atoms is enhanced to 12+/-3 % by optical pumping in the present experiment. It can be scaled up to approach 100% efficiency in cooling, providing high brightness atomic beams for further applications. Our results establish In on the map of elements suitable for applications involving laser cooling.
PubMed: 19997360
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