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
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).
引用
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页数:11
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