Magneto-optical Trapping of Cadmium

Details Magneto-optical Trapping of Cadmium Magneto-optical Trapping of Cadmium

2007-06-12

arxiv.org/abs/0706.1608v1

Physics

Atomic Physics

8 pages, 11 figures

Scientific paper

10.1103/PhysRevA.76.043411

We report the laser-cooling and confinement of Cd atoms in a magneto-optical trap, and characterize the loading process from the background Cd vapor. The trapping laser drives the 1S0-1P1 transition at 229 nm in this two-electron atom and also photoionizes atoms directly from the 1P1 state. This photoionization overwhelms the other loss mechanisms and allows a direct measurement of the photoionization cross section, which we measure to be 2(1)x10^(-16)cm^(2) from the 1P1 state. When combined with nearby laser-cooled and trapped Cd^(+) ions, this apparatus could facilitate studies in ultracold interactions between atoms and ions.

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