Efficient loading of a He* magneto-optic trap using a liquid He cooled source
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Swansson, J. A.
Dall, R. G.
Truscott, A. G.
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American Institute of Physics (AIP)
Abstract
We report loading large numbers (up to 3×10⁹) of metastable triplet helium atoms into a magneto-optical trap using an atomic beam derived from a liquid He (LHe) cooled dc discharge source. Moreover, we compare the effect of liquidN₂ cooling to LHe cooling the source and demonstrate that LHe cooling offers a significant increase in performance.
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Review of Scientific Instruments
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