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Molecular BEC in Heidelberg

Jochim graph

We have reached condensation of 80000 6Li2 molecules in a dipole trap using an all-optical approach. After being precooled in our MOT the 6Li atoms are transferred into the optical dipole trap, for which we use a 200 W fibre laser. The trap is established by two focused beams with a waist of 50 &microm crossing under an angle of about 7°.