Erlangen 2022 – scientific programme

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MO: Fachverband Molekülphysik

MO 7: Cold Molecules

MO 7.4: Talk

Tuesday, March 15, 2022, 11:15–11:30, MO-H8

Towards direct laser cooling of barium monofluoride — •Marian Rockenhäuser, Felix Kogel, Einius Pultinevicius, and Tim Langen — Universität Stuttgart, 5. Physikalisches Institut, IQST

Cold molecular gases are the starting point for many novel and interdisciplinary applications ranging from few- and many-body physics to cold chemistry and precision measurements. However, while there has recently been significant progress in the direct cooling of molecules, the preparation of a new molecular species in the cold temperature regime still requires a careful optimization of the available cooling techniques. We have performed vibrational spectroscopy of monofluoride (BaF), to determine the cooling and repumping transitions of this molecule with an accuracy of better than 100 MHz. Together with a detailed modelling of the cooling processes, this brings laser cooling of this species within reach.