Title :
Latest measurements with the LNE-SYRTE fountain clocks
Author :
Abgrall, M. ; Bize, S. ; Chapelet, F. ; Guena, J. ; Laurent, P. ; Rosenbusch, P. ; Rovera, G.D. ; Santarelli, G. ; Zhang, S. ; Clairon, A.
Author_Institution :
SYRTE, Obs. de Paris, LNE, Paris
Abstract :
This paper reports our works on the 3 LNE- SYRTE fountains and their frequency comparisons. We have performed new experiments on the frequency shifts related to the microwave synthesis and to the blackbody radiation interaction. We have also refined the accuracy budget of the 87Rb hyperfine splitting and obtained a new measurement of the frequency comparison between cesium and rubidium.
Keywords :
atomic clocks; blackbody radiation; frequency measurement; hyperfine interactions; rubidium; 87Rb; LNE-SYRTE fountain clocks; blackbody radiation interaction; frequency measurement; frequency shift; hyperfine splitting; microwave synthesis; Atomic measurements; Clocks; Cryogenics; Electromagnetic heating; Frequency measurement; Frequency synthesizers; Local oscillators; Signal synthesis; Stability; Temperature;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on
Conference_Location :
Broomfield, CO
Print_ISBN :
978-1-4244-2399-6
Electronic_ISBN :
978-1-4244-2400-9
DOI :
10.1109/CPEM.2008.4574666
