Zeeman-Sisyphus Deceleration of Molecular Beams

We present a robust, continuous molecular decelerator that employs high magnetic fields and few optical pumping steps. CaOH molecules are slowed, accumulating at low velocities in a range sufficient for loading both magnetic and magneto-optical traps. During the slowing, the molecules scatter only s...

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Bibliographic Details
Published in:Physical review letters 2021-12, Vol.127 (26), p.263002-263002, Article 263002
Main Authors: Augenbraun, Benjamin L, Frenett, Alexander, Sawaoka, Hiromitsu, Hallas, Christian, Vilas, Nathaniel B, Nasir, Abdullah, Lasner, Zack D, Doyle, John M
Format: Article
Language:English
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Summary:We present a robust, continuous molecular decelerator that employs high magnetic fields and few optical pumping steps. CaOH molecules are slowed, accumulating at low velocities in a range sufficient for loading both magnetic and magneto-optical traps. During the slowing, the molecules scatter only seven photons, removing around 8 K of energy. Because large energies can be removed with only a few spontaneous radiative decays, this method can in principle be applied to nearly any paramagnetic atomic or molecular species, opening a general path to trapping of complex molecules.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.127.263002