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1D Magneto-Optical Trap of Polyatomic Molecules

Louis Baum, Nathaniel B. Vilas, Christian Hallas, Benjamin L. Augenbraun, Shivam Raval, Debayan Mitra, and John M. Doyle
Phys. Rev. Lett. 124, 133201 – Published 31 March 2020
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Abstract

We demonstrate a 1D magneto-optical trap of the polar free radical calcium monohydroxide (CaOH). A quasiclosed cycling transition is established to scatter 103 photons per molecule, predominantly limited by interaction time. This enables radiative laser cooling of CaOH while compressing the molecular beam, leading to a significant increase in on axis beam brightness and reduction in temperature from 8.4 to 1.4 mK.

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  • Received 29 January 2020
  • Accepted 9 March 2020

DOI:https://doi.org/10.1103/PhysRevLett.124.133201

© 2020 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Louis Baum1,2,*, Nathaniel B. Vilas1,2, Christian Hallas1,2, Benjamin L. Augenbraun1,2, Shivam Raval1,2, Debayan Mitra1,2, and John M. Doyle1,2

  • 1Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA
  • 2Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA

  • *louisbaum@g.harvard.edu

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Issue

Vol. 124, Iss. 13 — 3 April 2020

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