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Single-stage sub-Doppler cooling of alkaline earth atoms

  • Xinye Xu
  • , Thomas H. Loftus
  • , Josh W. Dunn
  • , Chris H. Greene
  • , John L. Hall
  • , Alan Gallagher
  • , Jun Ye*
  • *Corresponding author for this work
  • University of Colorado Boulder

Research output: Contribution to journalArticlepeer-review

Abstract

Detailed measurements of sub-Doppler cooling of 87Sr in a single-stage 1S0-1P1 MOT were performed for the first time. Cooling dynamics associated with trapping beam intensity, detuning, atom density, and the trap loading times were carefully explored. The results demonstrate a MOT temperature for 87Sr that is clearly below the Doppler limit and is strongly dependent on the trapped atom number and cooling beam intensity.

Original languageEnglish
Article number193002
Pages (from-to)193002/1-193002/4
JournalPhysical Review Letters
Volume90
Issue number19
StatePublished - 16 May 2003
Externally publishedYes

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