A Portable Microwave Clock Using Laser-Cooled Trapped 171Yb+ Ions

被引：0
|
作者：
Mulholland, S. [1 ,2 ]
Donnellan, S. [1 ]
Barwood, G. P. [1 ]
Gentle, D. [1 ]
Huang, G. [1 ]
Klein, H. A. [1 ]
Patel, P. [1 ]
Walsh, G. [1 ]
Baird, P. E. G. [2 ]
Gill, P. [1 ,2 ]
机构：
[1] Natl Phys Lab, Teddington, Middx, England
[2] Univ Oxford, Clarendon Lab, Oxford, England
来源：
2018 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (IFCS) | 2018年
关键词：
Microwave frequency standard; laser-cooling; portable;
D O I：
暂无
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：
A portable microwave clock incorporating laser-cooling of Yb-171(+) promises to bring significantly improved performance compared to existing thermal commercial devices. We report on progress in the development of a compact microwave frequency standard designed to fit in a 19-inch rack enclosure that comprises laser, electronics and physics package subsystems. Recent results in which a local oscillator was disciplined by laser-cooled trapped Yb-171(+) ions are presented. Preliminary measurements have demonstrated a fractional frequency instability of 1 x 10(-13) at 10,000 s. Potential applications include telecommunications and financial operations time reference systems as well as navigation system integrity.
引用
收藏
页码：27 / 28
页数：2
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