Evaluation of the ultimate performances of a Ca+ single-ion frequency standard

被引：83
|
作者：
Champenois, C [1 ]
Houssin, M [1 ]
Lisowski, C [1 ]
Knoop, M [1 ]
Hagel, G [1 ]
Vedel, M [1 ]
Vedel, F [1 ]
机构：
[1] Univ Aix Marseille 1, CNRS, UMR 6633, Ctr St Jerome, F-13397 Marseille 20, France
来源：
PHYSICS LETTERS A | 2004年 / 331卷 / 05期
关键词：
optical frequency standard; Allan deviation; systematic effects; trapped ion;
D O I：
10.1016/j.physleta.2004.09.008
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The frequency stability of an optical frequency standard at 729 nm, based on a single calcium ion, is numerically studied. It is investigated through the Allan deviation, whose minimum is estimated to reach sigma(y) (tau) approximate to 2.5 x 10-(15)/roottau with tau the integration time. The systematic frequency shifts have been calculated and lead to an achievable relative uncertainty of 4 x 10(-16), supposing the use of the odd isotope Ca-43(+) and a vessel cooled to 77 K. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：298 / 311
页数：14
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