1. Demonstration of a Dual Alkali Rb/Cs Fountain Clock.
- Author
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Guéna, Jocelyne, Rosenbusch, Peter, Laurent, Philippe, Abgrall, Michel, Rovera, Daniele, Santarelli, Giorgio, Tobar, Michael E., Bize, Sébastien, and Clairon, André
- Subjects
ATOMIC clocks ,ATOMS ,HYPERFINE interactions ,RUBIDIUM ,CESIUM ,FREQUENCIES of oscillating systems - Abstract
We report the operation of a dual Rb/Cs atomic fountain clock.
133 Cs and87 Rb atoms are cooled, launched, and detected simultaneously in LNE-SYRTE's FO2 double fountain. The dual clock operation occurs with no degradation of either the stability or the accuracy. We describe the key features for achieving such a simultaneous operation. We also report on the results of the first Rb/Cs frequency measurement campaign performed with FO2 in this dual atom clock configuration, including a new determination of the absolute87 Rb hyperfine frequency. [ABSTRACT FROM AUTHOR]- Published
- 2010
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