Direct measurement of fine-structure collisional losses from a Cs magneto-optical trap

Year: 1997

Authors: Fioretti A., Müller J.H., Verkerk P., Allegrini M., Arimondo E., Julienne P.S.

Autors Affiliation: Unita\’ INFM, Dipartimento di Fisica, Universita\’ di Pisa, Piazza Torricelli 2, 56126, Pisa, Italy; Molecular Physics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899

Abstract: Losses from a cesium magneto-optical trap induced by fine-structure changing collisions have been measured directly by counting of fluorescence photons emitted at the D-1 resonance line, with the trap lasers operating on the D-2 resonance line. The absolute value of the fine-structure loss rate coefficient has been measured and its dependence on the hyperfine state occupation has been explored. These results provide a fundamental test for the theoretical descriptions of excited-state trap losses.

Journal/Review: PHYSICAL REVIEW A

Volume: 55      Pages from: 3999  to: 4002

KeyWords: Optical cooling of atoms: trapping; Atomic and molecular collision processes;
DOI: 10.1103/PhysRevA.55.R3999

Citations: 29
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