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
收藏
页码：29 / 32
页数：4
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