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Quadratic dependence on temperature of Cs 0-0 hyperfine resonance frequency in single Ne buffer gas microfabricated vapour cell
Auteur(s)
Dziuban, Piotr
Boudot, Rodolphe
Hasegawa, M.
Chutani, R.K.
Giordano, Vincent
Gorecki, Christophe
Date de parution
2010
In
Electronics Letters, Institute of Electrical and Electronics Engineers (IEEE), 2010/46/15/1069-1071
Résumé
Presented is the observation of a quadratic temperature dependence of the Cs 0-0 ground state hyperfine resonance frequency in a single Neon (Ne) buffer gas vapour microcell. The inversion temperature, expected to be theoretically independent of the buffer gas pressure, is measured to be about 80-C for two different samples. A proposal to develop chip scale atomic clocks with improved long-term frequency stability, simpler configuration (a single buffer gas instead of a buffer gas mixture) and then relaxed constraints on pressure accuracy during the cell filling procedure is presented.
Identifiants
Type de publication
journal article
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