Abstract
We demonstrated an atom funnel using blue-detuned near-field light. Cold Rb atoms generated by a magneto-optical trap (MOT) were introduced into the funnel and the output atoms were counted by an accumulative MOT detection system. The number of cold Rb atoms outputted from a 200-/spl mu/m exit hole was maximal at a blue detuning of 1.2 GHz under Sisyphus cooling. The flux intensity was estimated to be 10/sup 5/ atoms/cm/sup 2/s. To increase the flux intensity up to 10/sup 13/ atoms/cm/sup 2/s, we made an atom funnel with a 2-/spl mu/m exit hole.
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