Gray-molasses cooling of 39K to a high phase-space density

G Salomon, L Fouché, P Wang, A Aspect… - Europhysics …, 2014 - iopscience.iop.org
We present new techniques in cooling 39 K atoms using laser light close to the D1 transition.
First, a new compressed-MOT configuration is taking advantage of gray-molasses–type …