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MO: Fachverband Molekülphysik

MO 17: Poster: Cold Molecules

MO 17.8: Poster

Wednesday, March 13, 2024, 17:00–19:00, Tent C

Progress on Zeeman slowing and trapping CaF — •Timo Poll, Julius Niederstucke, Paul Kaebert, Mirco Siercke, and Silke Ospelkaus — Institut für Quantenoptik, Leibniz Universität Hannover

Recently, great progress has been made in direct laser cooling of molecules to temperatures close to absolute zero [1,2]. However, experiments are limited by the number of molecules that can be captured from molecular beams using typical laser-based trapping methods [3,4]. Here we discuss our approaches to increase the number of molecules in the experiments. We show our experimental results on the Zeeman slower for directly laser-coolable molecules proposed by our group [5] as well as schemes and first experimental steps towards the realisation of a sub-Doppler cooling magneto-optical trap [6,7].

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[1] J. F. Barry et al. 2012

[2] Y. Wu et al. 2021

[3] S. Truppe et al. 2017

[4] L. Anderegg et al. 2017

[5] M. Petzold et al. 2018

[6] S. Xu et al. 2021

[7] S. Xu et al. 2022

Keywords: Lasercooling; Zeeman slowing; magneto-optical trap; cryogenic buffer gas beam; ultracold molecules

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