Measurement of dynamic end-to-end cavity phase shifts in cesium-fountain frequency standards.
IEEE Trans Ultrason Ferroelectr Freq Control
; 51(6): 652-3, 2004 Jun.
Article
em En
| MEDLINE
| ID: mdl-15244277
ABSTRACT
We have measured a previously unobserved systematic frequency shift in our cesium-fountain frequency standard, NIST-F1. This shift, predicted theoretically previously, mimics the well-known end-to-end phase shift in atomic beam standards when synchronous thermal transients are present. Detuning the microwave cavity several megahertz from resonance reduces this effect to the deltaf/f = 1o(-16) level.
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IEEE Trans Ultrason Ferroelectr Freq Control
Assunto da revista:
MEDICINA NUCLEAR
Ano de publicação:
2004
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Article