Suppression of spurious phase shifts in an optical frequency standard

被引：29

作者：

Trebst, T ^{[1
]}

Binnewies, T ^{[1
]}

Helmcke, J ^{[1
]}

Riehle, F ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2001年 / 50卷 / 02期

关键词：

atomic clocks; atom interferometry; atom optics; laser cooling;

D O I：

10.1109/19.918185

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：

We have analyzed two types of time-domain atom-light interferometers realized by a series of beam splitting copropagating or counterpropagating laser pulses. We show how a combination of both types can be used to identify and to reduce spurious systematic phase shifts in a high-precision optical frequency standard. In particular, we have investigated theoretically and experimentally the influence of minute wave front curvatures and gravitational acceleration. Application of this technique to a Ca optical frequency standard leads to estimates of the relative uncertainty due to wave front curvature and gravitational acceleration of 8 x 10(-15) and 6.5 x 10(-16), respectively.

引用

页码：535 / 538

页数：4

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