Phys. Rev. Lett. 55, 48–51 (1985)Three-dimensional viscous confinement and cooling of atoms by resonance radiation pressure
We report the viscous confinement and cooling of neutral sodium atoms in three dimensions via the radiation pressure of counterpropagating laser beams. These atoms have a density of about ∼106 cm-3 and a temperature of ∼240 μK corresponding to a rms velocity of ∼60 cm/sec. This temperature is approximately the quantum limit for this atomic transition. The decay time for half the atoms to escape a ∼0.2cm3 confinement volume is ∼0.1 sec. © 1985 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.55.48
DOI:
10.1103/PhysRevLett.55.48
PACS:
32.80.Pj
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