Efficient transfer in a double magneto-optical trap system
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abstract
We demonstrate the transfer of potassium atoms from a vapor-cell type magneto-optical trap (MOT) to a second MOT up to 75 cm away with the use of a spatially narrow push laser that generates a 40-m/s atomic beam. By adding two-dimensional MOT's (atomic funnels) along the transfer path to generate transverse cooling and compression of the beam, we can consistently transfer 7810% of the atoms. 1998 Optical Society of America.