Continuous polarization-gradient precooling-assisted velocity-selective coherent population trapping.
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We show that polarization-gradient cooling occurs in the system, simultaneously with velocity-selective coherent population trapping (VSCPT). Starting with a Doppler temperature sample, this process precools atoms and contains them, to within twice the recoil velocity, a range efficiently capturable by VSCPT. For sodium, this cooling may enhance the rate of three-dimensional VSCPT by 200 times over the rate achievable from Doppler precooling alone. We estimate that in 8 msec, for example, the atoms would be cooled in three dimensions to one-fourth the recoil temperature. 1993 The American Physical Society.
author list (cited authors)
Shahriar, M. S., Hemmer, P. R., Prentiss, M. G., Marte, P., Mervis, J., Katz, D. P., Bigelow, N. P., & Cai, T.
complete list of authors
Shahriar, MS||Hemmer, PR||Prentiss, MG||Marte, P||Mervis, J||Katz, DP||Bigelow, NP||Cai, T