Magneto-optical trapping of cadmium
Journal Article
·
· Physical Review. A
- FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109 (United States)
- Physics Department, Simon Fraser University, Burnaby, British Columbia V5A 1S6 (Canada)
- Instituto de Fisica e Quimica de Sao Carlos, Caixa Postal 369, 13560 Sao Carlos, Sao Paulo (Brazil)
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 {sup 1}S{sub 0}{yields}{sup 1}P{sub 1} transition at 229 nm in this two-electron atom and also photoionizes atoms directly from the {sup 1}P{sub 1} 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{sup -16} cm{sup 2} from the {sup 1}P{sub 1} state. When combined with nearby laser-cooled and trapped Cd{sup +} ions, this apparatus could facilitate studies in ultracold interactions between atoms and ions.
- OSTI ID:
- 21020754
- Journal Information:
- Physical Review. A, Vol. 76, Issue 4; Other Information: DOI: 10.1103/PhysRevA.76.043411; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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