Secondary laser cooling of strontium-88 atoms
- 76 Downloads
The secondary laser cooling of a cloud of strontium-88 atoms on the 1 S 0–3 P 1 (689 nm) intercombination transition captured into a magneto-optical trap has been demonstrated. We describe in detail the recapture of atoms from the primary trap operating on the strong 1 S 0–1 P 1 (461 nm) transition and determine the recapture coefficient κ, the number of atoms, and their temperature in the secondary trap as a function of experimental parameters. A temperature of 2 µK has been reached in the secondary trap at the recapture coefficient κ = 6%, which confirms the secondary cooling efficiency and is sufficient to perform metrological measurements of the 1 S 0–3 P 1 (698 nm) clock transition in an optical lattice.
KeywordsStrontium Optical Lattice Laser Cool Secondary Cool Magneto Optical Trap
Unable to display preview. Download preview PDF.
- 8.A. D. Ludlow, Ph. D. Theses, University of Colorado (Boulder, Colorado, United States, 2008). http://jila.colorado.edu/yelabs/pubs/theses/2008/theses_2008_AndrewLudlow.pdf.Google Scholar
- 14.http://www.corning.com/docs/specialtymaterials/pisheets/UleBro91106.pdfGoogle Scholar
- 17.F. Riehle, Frequency Standards: Basics and Applications (Wiley, Weinheim, Germany, 2004; Fizmatlit, Moscow, 2009).Google Scholar
- 18.S. N. Slyusarev, A. S. Kostin, V. N. Baryshev, et al., Mir izmerenii 4, 26 (2012).Google Scholar