Laser-cooled Rb fountain clocks

Chad Fertig, Ron Legere, Wenko Suptitz, Kurt Gibble

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We demonstrate a prototype of a laser-cooled 87Rb fountain clock and report a preliminary measurement of the frequency shift due to cold collisions. We find the shift to be much smaller than that in a laser-cooled Cs clock. We have recently demonstrated a juggling atomic fountain to study cold collisions. We discuss the importance of juggling for future fountain clocks and the problems and potential solutions.

Original languageEnglish (US)
Pages (from-to)39-42
Number of pages4
JournalProceedings of the Annual IEEE International Frequency Control Symposium
StatePublished - Dec 1 1999

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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