An optical frequency standard based on the electric octupole transition in 171Yb+

被引：42
|
作者：
Hosaka, K
Webster, SA
Blythe, PJ
Stannard, A
Beaton, D
Margolis, HS
Lea, SN
Gill, P
机构：
[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England
[2] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England
[3] Univ Oxford, Clarendon Lab, Dept Phys, Oxford OX1 3PU, England
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2005年 / 54卷 / 02期
关键词：
electric octupole transition; optical frequency standard; ytterbium ion;
D O I：
10.1109/TIM.2004.843319
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：
The frequency of the S-2(1/2)(F = 0, m(F) = 0) - F-2(7/2) (F = 3, m(F) = 0) transition in a single, trapped, laser cooled ion of Yb-171(+) has been measured with an improved narrow probe laser and a femtosecond laser frequency comb generator. Our best estimate of the frequency is 642 121 496 772.3 +/- 0.6 kHz by comparison with earlier measurements. The uncertainty is limited by measurement statistics and by the ac Stark shift.
引用
收藏
页码：759 / 762
页数：4
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