Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions

被引：69

作者：

Maeckel, V. ^{[1
]}

Klawitter, R. ^{[1
]}

Brenner, G. ^{[1
]}

Lopez-Urrutia, J. R. Crespo ^{[1
]}

Ullrich, J. ^{[1
]}

机构：

[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 14期

关键词：

BEAM; HYDROGENLIKE; FREQUENCY; PROJECT; URANIUM; GSI;

D O I：

10.1103/PhysRevLett.107.143002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate resonant fluorescence laser spectroscopy in highly charged ions (HCI) stored in an electron beam ion trap by investigating the dipole-forbidden 1s(2)2s(2)2p P-2(3/2)-P-2(1/2) transition in boronlike Ar13+ ions. Forced evaporative cooling yielded a high resolving power, resulting in an accurate wavelength determination to lambda = 441.255 68(26) nm. By applying stronger cooling and two-photon excitation, new optical frequency standards based upon ultrastable transitions in such HCI could be realized in the future, e. g., for the search of time variations of the fine-structure constant.

引用

页数：5

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