Second-order Zeeman frequency shift in the optically pumped cesium beam frequency standard with a dual servo system

被引：7
|
作者：
Yang, SH [1 ]
Baek, KJ [1 ]
Kwon, TY [1 ]
Kim, YB [1 ]
Lee, HS [1 ]
机构：
[1] Korea Res Inst Stand & Sci, Div Electromagnet Metrol, Taejon 305600, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 1999年 / 38卷 / 10期
关键词：
second-order Zeeman effect; frequency shift; cesium beam frequency standard; uncertainty; magnetic field; servo system;
D O I：
10.1143/JJAP.38.6174
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The second-order Zeeman effect produces the largest frequency shift among several causes to alter the reference frequency in the optically pumped cesium beam frequency standard. We introduce a novel way to reduce the uncertainties due to the Zeeman effect by adopting a dual servo system, one for stabilizing the current for static magnetic field and the other for normal clock operation. As a result, the combined uncertainty of the second-order Zeeman frequency shift is reduced to 3.2 x 10(-15), which is smaller by one order of magnitude than that without the servo system.
引用
收藏
页码：6174 / 6177
页数：4
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