Progress toward a single indium ion optical frequency standard

被引：0

作者：

Liu, T. ^{[1
]}

Wang, Y. H. ^{[1
]}

Elman, V. ^{[1
]}

Stejskal, A. ^{[1
]}

Zhao, Y. N. ^{[1
]}

Zhang, J. ^{[1
]}

Lu, Z. H. ^{[1
]}

Wang, L. J. ^{[1
]}

Dumke, R. ^{[1
]}

Becker, Th. ^{[2
]}

Walther, H. ^{[2
]}

机构：

[1] Max Planck Res Grp, Inst Opt Informat & Photon, D-91058 Erlangen, Germany

[2] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

PROCEEDINGS OF THE 2007 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM-JOINTLY WITH THE 21ST EUROPEAN FREQUENCY AND TIME FORUM, VOLS 1-4 | 2007年

关键词：

D O I：

10.1109/FREQ.2007.4319107

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 report an improved absolute frequency measurement of the 5s(2) S-1(0) - 5s5p P-3(0) narrowline clock transition at 236.5 nm, for a single trapped and laser cooled In-115(+). Using a narrowline laser as the local oscillator, a linewidth of 43 Hz for the transition is resolved. For absolute frequency measurement we use an optical frequency comb referenced to a cesium clock The transition frequency is found to be 1, 267, 402, 452, 900, 967 (63) Hz, averaged over 13 days of separate measurements. The accuracy is about 5.0 X 10(-14). And a preliminary absolute frequency measurement is shown with a Hydrogen maser as the reference. We discuss possibilities for further improvement.

引用

页码：407 / +

页数：3

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