All-optical generation and photoassociative probing of sodium Bose-Einstein condensates

Details All-optical generation and photoassociative probing of sodium Bose-Einstein condensates All-optical generation and photoassociative probing of sodium Bose-Einstein condensates

2006-02-15

arxiv.org/abs/physics/0602108v2

Physics

Atomic Physics

8 pages, 10 figures

Scientific paper

10.1088/1367-2630/8/5/064

We demonsatrate an all optical technique to evaporatively produce sodium Bose-Einstein condensates (BEC). We use a crossed-dipole trap formed from light near 1060 nm, and a simple ramp of the intensity to force evaporation. In addition, we introduce photoassociation as diagnostic of the trap loading process, and show that it can be used to detect the onset of Bose-Einstein condensation. Finally, we demonstrate the straightforward production of multiple traps with condensates using this technique, and that some control over the spinor state of the BEC is achieved by positioning the trap as well.

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