Power-dependent loss from an ytterbium magneto-optic trap

Details Power-dependent loss from an ytterbium magneto-optic trap Power-dependent loss from an ytterbium magneto-optic trap

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrva..61e1401l&link_type=abstract

Physical Review A, vol. 61, Issue 5, id. 051401

Physics

18

Optical Cooling Of Atoms, Trapping, Mechanical Effects Of Light On Atoms, Molecules, Electrons, And Ions, Atomic And Molecular Data, Spectra, And Spectral Parameters, Properties Of Atoms

Scientific paper

Radiative decay of excited 1P1 states to metastables is expected to limit attainable lifetimes in magneto-optic traps (MOTs) containing alkaline-earth-metal-like atoms. We present measurements of power-dependent loss from a (6s2)1S0- (6s6p)1P1 ytterbium MOT, show that the observed power dependence is consistent with radiative decay from the (6s6p)1P1 excited state leading to population of lower-lying metastable states, and determine the (6s6p)1P1-to-metastable state decay rate. With weak excitation of the (6s2)1S0- (6s6p)1P1 trapping transition, MOT lifetimes approaching 800 ms are observed.

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