An optical lattice clock with spin-polarized 87Sr atoms

被引:99
作者
Baillard, X. [1 ]
Fouche, M. [1 ,3 ]
Le Targat, R. [1 ]
Westergaard, P. G. [1 ]
Lecallier, A. [1 ]
Chapelet, F. [1 ]
Abgrall, M. [1 ]
Rovera, G. D. [1 ]
Laurent, P. [1 ]
Rosenbusch, P. [1 ]
Bize, S. [1 ]
Santarelli, G. [1 ]
Clairon, A. [1 ]
Lemonde, P. [1 ]
Grosche, G. [2 ]
Lipphardt, B. [2 ]
Schnatz, H. [2 ]
机构
[1] Observ Paris, LNE SYRTE, F-75014 Paris, France
[2] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
[3] Univ Toulouse 3, Lab Collis Agregats React, CNRS, UMR 5589,IRSAMC, F-31062 Toulouse 9, France
关键词
06.30.Ft Time and frequency; 37.10.Jk Atoms in optical lattices; 32.60.+i Zeeman and Stark effects; 32.30.Jc Visible and ultraviolet spectra;
D O I
10.1140/epjd/e2007-00330-3
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a new evaluation of an Sr-87 optical lattice clock using spin polarized atoms. The frequency of the S-1(0) -> P-3(0) clock transition is found to be 429 228 004 229 873.6 Hz with a fractional uncertainty of 2.6x10(-15), a value that is comparable to the frequency difference between the various primary standards throughout the world. This measurement is in excellent agreement with a previous one of similar accuracy.
引用
收藏
页码:11 / 17
页数:7
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