Juggling atomic clocks

Chad Fertig, Kurt Gibble

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


We demonstrate a prototype of a laser-cooled 87Rb fountain clock and measure the frequency shift due to cold collisions. The shift is 30 times smaller than that in a laser-cooled Cs clock. We observe a density dependent pulling by the microwave cavity and use it to cancel the collision shift. We have also demonstrated a juggling atomic fountain to study cold collisions and we discuss the importance ofjuggling for future fountain clocks.

Original languageEnglish (US)
Pages (from-to)803-807
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventApplications of Photonic Technology 4 - Quebec City, QC, Canada
Duration: Jun 12 2000Jun 12 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Computer Science Applications


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