Matt's Blog

Cooling with ultrafast lasers

Tue May 30 10:32:46 BST 2006


  • Title: Broadband laser cooling of trapped atoms with ultrafast pulses
  • Authors: B.B. Blinov, R.N. Kohn Jr., M.J. Madsen, P. Maunz, D.L. Moehring, C. Monroe
  • Abstract: We demonstrate broadband laser cooling of atomic ions in an rf trap using ultrafast pulses from a modelocked laser. The temperature of a single ion is measured by observing the size of a time-averaged image of the ion in the known harmonic trap potential. While the lowest observed temperature was only about 1 K, this method efficiently cools very hot atoms and can sufficiently localize trapped atoms to produce near diffraction-limited atomic images.

[cooling] [physics]


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