Residual frequency drift in an atomic fountain clock

被引：0

作者：

杜远博 ^{[1
,2
]}

魏荣 ^{[1
]}

董日昌 ^{[1
,2
]}

邹凡 ^{[1
,2
]}

林锦达 ^{[1
]}

王文丽 ^{[1
]}

王育竹 ^{[1
]}

机构：

[1] Key Laboratory of Quantum Optics, Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science

[2] University of Chinese Academy of Sciences

来源：

Chinese Optics Letters | 2015年 / 13卷 / 09期

基金：

中国国家自然科学基金;

关键词：

RFD; Residual frequency drift in an atomic fountain clock; mode; AFC; OCXO;

D O I：

暂无

中图分类号：

TM935.115 [];

学科分类号：

摘要：

We report a locking mode in which the local oscillator(LO) is locked to an atomic fountain and calibration of the residual frequency drift(RFD). In this running mode, the locked LO outputs a standard frequency signal, and a short-term fractional frequency stability of 2.7 × 10-13τ-1∕2is achieved. Due to the frequency drift of the LO in free running mode, a systematic frequency bias, or RFD, exists after being locked by the atomic fountain. We analyze and measure the RFD with a value of-3e2T × 10-16. A sectionalized post-process method is adopted to calibrate the RFD.

引用

页码：29 / 32

页数：4

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