Abstract
We have demonstrated the transfer of 39 K and 40 K atoms from a magneto-optical funnel (a hollow pyramidal mirror) through a low (0:05 l/s) conductance hole and into a conventional magneto-optical trap (mot) 35 cm away, with an efficiency of approximately six percent. This simple scheme should be useful for experiments requiring high loading rates with minimal contamination from hot untrapped atoms.
Highlights
We have demonstrated the transfer of 39K and 40K atoms from a magneto-optical funnel through a low (0.05 l/s) conductance hole and into a conventional magneto-optical trap 35 cm away, with an efficiency of approximately six percent
This simple scheme should be useful for experiments requiring high loading rates with minimal contamination from hot untrapped atoms
In this paper we describe an apparatus that accomplishes these goals with a simple magneto-optical funnel coupled to a uhv mot through a low conductance hole
Summary
Abstract: We have demonstrated the transfer of 39K and 40K atoms from a magneto-optical funnel (a hollow pyramidal mirror) through a low (0.05 l/s) conductance hole and into a conventional magneto-optical trap (mot) 35 cm away, with an efficiency of approximately six percent. We have transformed the pyramidal trap design of Lee et al [15] into a funnel that produces a cold atomic beam suitable for loading a uhv mot.
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