NPL Rb喷泉频率标准的制定

2012 European Frequency and Time Forum Pub Date : 2012-04-23 DOI:10.1109/EFTF.2012.6502342

Y. Ovchinnikov

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引用次数: 2

摘要

报道了NPL Rb喷泉频率标准的分布腔相频移的第一个表征。展示了如何利用分布腔相移的对称部分来设置喷泉的垂直角度。分布腔相频移1.25×10−16的估计不确定度使Rb喷泉的总B型不确定度降低到2.4×10−16。

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Development of NPL Rb fountain frequency standard

The first characterization of the distributed cavity phase frequency shift of the NPL Rb fountain frequency standard is reported. It is shown how the symmetric part of the distributed cavity phase shift can be used to set up the vertical angle of the fountain. The estimated uncertainty of the distributed cavity phase frequency shift of 1.25×10⁻¹⁶ reduces the total type B uncertainty of the Rb fountain down to 2.4×10⁻¹⁶.

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2012 European Frequency and Time Forum

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