Absolute frequency measurement of the 1S0-3P0 transition of 171Yb with a link to international atomic time

被引：46

作者：

Pizzocaro, Marco ^{[1
]}

Bregolin, Filippo ^{[1
]}

Barbieri, Piero ^{[1
,2
]}

Rauf, Benjamin ^{[1
,3
]}

Levi, Filippo ^{[1
]}

Calonico, Davide ^{[1
]}

机构：

[1] Ist Nazl Ric Metrol INRIM, Str Cacce 91, I-10135 Turin, Italy

[2] Politecn Torino, Corso Duca Abruzzi 24, I-10129 Turin, Italy

[3] Univ Bonn, Inst Phys, Wegelerstr 8, D-53115 Bonn, Germany

来源：

METROLOGIA | 2020年 / 57卷 / 03期

基金：

欧盟地平线“2020”;

关键词：

optical frequency standards; international atomic time; frequency metrology; OPTICAL LATTICE; UNCERTAINTY; CLOCKS; YB; REALIZATION; ACCURACY; REDSHIFT; RATIOS; LEVEL; SR;

D O I：

10.1088/1681-7575/ab50e8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report the absolute frequency measurement of the unperturbed optical clock transition S-1(0)-P-3(0) in Yb-171 performed with an optical lattice frequency standard. Traceability to the International System of Units is provided by a link to International Atomic Time. The measurement result is 518 295 836 590 863.61(13) Hz with a relative standard uncertainty of , obtained operating our Yb-171 optical frequency standard intermittently for 5 months. The Yb-171 optical frequency standard contributes with a systematic uncertainty of 2.8 x 10(-17).

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页数：11

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