Magneto-optical trapping of chromium atoms

C. C. Bradley, J. J. McClelland, W. R. Anderson, R. J. Celotta

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


We have constructed a magneto-optical trap for chromium atoms. Using trapping light at 425 nm and two repumping lasers tuned to intercombination transitions, over 106 atoms were trapped and average densities of over 1016m-3 were obtained. Nonexponential loss of atoms is observed at high densities indicating inelastic collisions between trapped atoms. Over a range of trapping conditions, the density-dependent trap loss rate constant β is extracted from fluorescence decay curves and found to have values in the range of 10z-15 m3 s-1, much larger than is observed in alkali-metal traps.

Original languageBritish English
Article number053407
Pages (from-to)534071-534076
Number of pages6
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number5
StatePublished - May 2000


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