Abstract

We present a cooling scheme which combines a dipole forte trap [1, 2] with velocity selective Raman pulses [3, 1, 5]. Along one axes, atoms are pushed towards υ = 0 with a sequence of laser pulses inducing selective Raman transitions followed by resonant excitation and spontaneous emission. Atoms with υ ≈ 0 are excluded from excitation due to an appropriate choice of pulse shape and detuning. Due to the anisotropy of the trap potential, the degrees of freedom are coupled and the atoms are cooled in all three dimensions.

© 1996 IEEE