171Yb+ single-ion optical frequency standard at 688 THz

被引：33

作者：

Tamm, Chr. ^{[1
]}

Lipphardt, B. ^{[1
]}

Schnatz, H. ^{[1
]}

Wynands, R. ^{[1
]}

Weyers, S. ^{[1
]}

Schneider, T. ^{[1
]}

Peik, E. ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, D-83116 Braunschweig, Germany

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2007年 / 56卷 / 02期

关键词：

ion traps; optical atomic clocks; optical frequency measurement; ytterbium-171;

D O I：

10.1109/TIM.2007.891140

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：

Two Yb-171(+) single-ion optical frequency standards operating at 688 THz (436 nm) are compared in order to investigate systematic frequency shifts in the subhertz range. In the absence of externally applied perturbations, a mean relative frequency difference of 3.8 (.) 10(-16) is observed. Using a femtosecond frequency comb generator based on an Er3+-doped fiber laser, the frequency of the Yb-171(+) standard is measured with a relative systematic uncertainty of 3.1 (.) 10(-15) and a statistical uncertainty of 0.6 (.) 10(-15).

引用

页码：601 / 604

页数：4

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