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Radio Frequency Magneto-Optical Trapping of CaF with High Density.
Anderegg, Loïc; Augenbraun, Benjamin L; Chae, Eunmi; Hemmerling, Boerge; Hutzler, Nicholas R; Ravi, Aakash; Collopy, Alejandra; Ye, Jun; Ketterle, Wolfgang; Doyle, John M.
Affiliation
  • Anderegg L; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Augenbraun BL; Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA.
  • Chae E; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Hemmerling B; Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA.
  • Hutzler NR; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Ravi A; Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA.
  • Collopy A; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Ye J; Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA.
  • Ketterle W; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Doyle JM; Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA.
Phys Rev Lett ; 119(10): 103201, 2017 Sep 08.
Article in En | MEDLINE | ID: mdl-28949175
ABSTRACT
We demonstrate significantly improved magneto-optical trapping of molecules using a very slow cryogenic beam source and either rf modulated or dc magnetic fields. The rf magneto-optical trap (MOT) confines 1.0(3)×10^{5} CaF molecules at a density of 7(3)×10^{6} cm^{-3}, which is an order of magnitude greater than previous molecular MOTs. Near Doppler-limited temperatures of 340(20) µK are attained. The achieved density enables future work to directly load optical tweezers and create optical arrays for quantum simulation.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2017 Document type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2017 Document type: Article Affiliation country: United States