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Updated: May 11, 2026

11:21
Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
Published on: March 30, 2017
Photoionization of optically trapped ultracold atoms with a high-power light-emitting diode
Simone Götz1, Bastian Höltkemeier, Thomas Amthor
1Physikalisches Institut, Universität Heidelberg, Heidelberg, Germany.
The Review of Scientific Instruments
|May 3, 2013
Abstract:
Photoionization of laser-cooled atoms using short pulses of a high-power light-emitting diode (LED) is demonstrated. Light pulses as short as 30 ns have been realized with the simple LED driver circuit. We measure the ionization cross section of (85)Rb atoms in the first excited state, and show how this technique can be used for calibrating efficiencies of ion detector assemblies.

