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

页码：6174 / 6177

页数：4

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