Laser-cooled Rb clock

被引:4
|
作者
Fertig, C [1 ]
Bouttier, J [1 ]
Gibble, K [1 ]
机构
[1] Yale Univ, New Haven, CT 06520 USA
关键词
D O I
10.1109/FREQ.2000.887437
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
We demonstrate a prototype of a laser-cooled Rb-87 fountain clock and measure the frequency shift due to cold collisions. The shift is fractionally 30 times smaller than that in a laser-cooled Cs clock We observe a density dependent pulling by the microwave cavity and use it to cancel the collision shift. We have also demonstrated a juggling atomic fountain to study cold collisions and we discuss the importance of juggling for future fountain clocks.
引用
收藏
页码:680 / 686
页数:3
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