Archivio Istituzionale della RicercaThis paper describes the new twin laser-cooled Cs fountain primary frequency standards NIST-F2 and ITCsF2, and presents some of their design features. Most significant is a cryogenic microwave interrogation region which dramatically reduces the blackbody radiation shift. We also present a preliminary accuracy evaluation of IT-CsF2
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization / Filippo, L., Claudio, C., Davide, C., Luca, L., ELIO K., B., Aldo, G., Costanzo, G.A., Mongino, B., STEVEN R., J., THOMAS P., H., ELIZABETH A., D.. - In: IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. - ISSN 0885-3010. - STAMPA. - 57:(2010), pp. 600-605. [10.1109/TUFFC.2010.1453]
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization
COSTANZO, Giovanni Antonio;MONGINO, BARBARA;
2010
Abstract
This paper describes the new twin laser-cooled Cs fountain primary frequency standards NIST-F2 and ITCsF2, and presents some of their design features. Most significant is a cryogenic microwave interrogation region which dramatically reduces the blackbody radiation shift. We also present a preliminary accuracy evaluation of IT-CsF2
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https://hdl.handle.net/11583/2370276
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