DEVELOPMENT OF AN OPTICALLY PUMPED CS FREQUENCY STANDARD AT THE NRLM

被引:21
作者
OHSHIMA, S
NAKADAN, Y
KOGA, Y
机构
[1] Natl Research Lab of Metrology, Ibaraki, Jpn
关键词
CLOCKS; ATOMIC - OPTICAL PUMPING;
D O I
10.1109/19.7465
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
An optically pumped Cs frequency standard aiming at a primary frequency standard is being developed. Using this laboratory-type standard, a Ramsey resonance spectrum was observed. It has been shown that a laser power of about 1 mW is almost sufficient for two-frequency optical pumping. It has also been shown that the C-field strength can be measured using Zeeman coils by establishing a population difference among the Zeeman sublevel with σ+ polarized laser light.
引用
收藏
页码:409 / 413
页数:5
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