Experiments with strontium in a vapor cell magneto-optic trap

Kurt R. Vogel; Tim P. Dinneen; Alan C. Gallagher; John L. Hall

doi:10.1117/12.308365

15 May 1998 Experiments with strontium in a vapor cell magneto-optic trap

Kurt R. Vogel, Tim P. Dinneen, Alan C. Gallagher, John L. Hall

Author Affiliations +

Proceedings Volume 3270, Methods for Ultrasensitive Detection; (1998) https://doi.org/10.1117/12.308365
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

In a ceramic vapor cell we have created a robust Sr magneto- optical trap that stores about 10⁸ atoms with lifetimes > 200 ms. We eliminate the 5p ¹P₁ yields 4d¹D₂ yields 5p ³P₂ leak and achieve a 10-fold improvement in trap lifetime by re-pumping the 5p ³P_0,2 dark states with 679 nm and 707 nm light. The observed lifetime is now limited by cold collision losses, and we have preliminary measurements of the 2-body loss rate. Direct readout of the trap velocity distribution is possible using the narrow 5s² ¹S₀ yields 5p ³P₁ intercombination line at 689 nm. We can also cool with this narrow transition and have achieved a 40-fold 1D velocity compression for about 5 percent of the trapped atoms by applying this second-stage cooling.

Citation Download Citation

Kurt R. Vogel, Tim P. Dinneen, Alan C. Gallagher, and John L. Hall "Experiments with strontium in a vapor cell magneto-optic trap", Proc. SPIE 3270, Methods for Ultrasensitive Detection, (15 May 1998); https://doi.org/10.1117/12.308365

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