Compact in-series 2D MOTs achieve record Li-6 flux of 6.6e9 atoms/s and Rb-87 flux of 2.3e9 atoms/s inside a 55x65x70 cm3 chamber.
A dual-species magneto-optical trap for lithium and strontium atoms
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abstract
We present a machine built for experiments with ultracold mixtures of strontium and lithium atoms. The machine includes a science vacuum chamber and the relevant laser systems for cooling and trapping the atoms. With this machine, we realize a D2-line compressed magneto-optical trap (MOT) for ${^6}$Li and a narrow-linewidth 689-nm MOT for $^{84}$Sr, obtaining ~$10^9$ ${^6}$Li atoms at 700 $\mu$K and ~$10^7$ $^{84}$Sr atoms at 1.8 $\mu$K. Such a dual-species MOT provides an ideal starting point for realizing double degenerate mixtures of $^6$Li and Sr atoms.
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physics.atom-ph 1years
2025 1verdicts
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High-flux cold lithium-6 and rubidium-87 atoms from compact two-dimensional magneto-optical traps
Compact in-series 2D MOTs achieve record Li-6 flux of 6.6e9 atoms/s and Rb-87 flux of 2.3e9 atoms/s inside a 55x65x70 cm3 chamber.