Magnetic field measurement based on a stimulated two-photon Raman transition

被引：0
|
作者：
周子超 [1 ]
魏荣 [1 ]
史春艳 [1 ]
李唐 [1 ]
王育竹 [1 ]
机构：
[1] Key Laboratory of Quantum Optics,Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
来源：
Chinese Physics B | 2011年 / 20卷 / 03期
基金：
中国国家自然科学基金;
关键词：
fountain atomic clock; Raman transition; second order Zeeman shift;
D O I：
暂无
中图分类号：
O437 [非线性光学（强光与物质的作用）]; O562 [原子物理学];
学科分类号：
摘要：
The magnetic field in the microwave interaction zone of the fountain atomic clock was measured by stimulated Raman transitions.By measuring the two-photon transition frequency between the Zeeman levels of the two ground states,we achieved a magnetic field measurement accuracy of the order of 0.28 nT.This method is immune to the Doppler shift and the AC Stark shift.The second order Zeeman shift of the fountain clock is 170.7×10-15,with the uncertainty of 7.2×10-16.
引用
收藏
页码：251 / 255
页数：5
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