Narrow-line magneto-optical trap for erbium: Simple approach for a complex atom

Details Narrow-line magneto-optical trap for erbium: Simple approach for a complex atom Narrow-line magneto-optical trap for erbium: Simple approach for a complex atom

2012-03-07

arxiv.org/abs/1203.1460v1

Physics

Atomic Physics

Scientific paper

We report on the experimental realization of a robust and efficient magneto-optical trap for erbium atoms, based on a narrow cooling transition at 583nm. We observe up to $N=2 \times 10^{8}$ atoms at a temperature of about $T=15 \mu K$. This simple scheme provides better starting conditions for direct loading of dipole traps as compared to approaches based on the strong cooling transition alone, or on a combination of a strong and a narrow kHz transition. Our results on Er point to a general, simple and efficient approach to laser cool samples of other lanthanide atoms (Ho, Dy, and Tm) for the production of quantum-degenerate samples.

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