| Autor: |
Jacob, David, Mimoun, Emmanuel, De Sarlo, Luigi, Weitz, Martin, Dalibard, J., Gerbier, F. |
| Rok vydání: |
2011 |
| Předmět: |
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| Druh dokumentu: |
Working Paper |
| DOI: |
10.1088/1367-2630/13/6/065022 |
| Popis: |
We report on the realization of a sodium Bose--Einstein condensate (BEC) in a combined red-detuned optical dipole trap, formed by two beams crossing in a horizontal plane and a third, tightly focused dimple trap propagating vertically. We produce a BEC in three main steps: loading of the crossed dipole trap from laser-cooled atoms, an intermediate evaporative cooling stage which results in efficient loading of the auxiliary dimple trap, and a final evaporative cooling stage in the dimple trap. Our protocol is implemented in a compact setup and allows us to reach quantum degeneracy even with relatively modest initial atom numbers and available laser power. |
| Databáze: |
arXiv |
| Externí odkaz: |
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