Systematic shift evaluation of the NRC 88Sr+ single-ion optical frequency standard to a few parts in 10^-17

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DOIResolve DOI: http://doi.org/10.1109/FCS.2012.6243672
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TypeArticle
Proceedings title2012 IEEE International Frequency Control Symposium
Conference2012 IEEE International Frequency Control Symposium (FCS), 21-24 May 2012, Baltimore, MD, USA
ISSN1075-6787
ISBN978-1-4577-1821-2
Pages16; # of pages: 6
AbstractA new strontium ion trap of the endcap design was built recently at the National Research Council of Canada for better control of the micromotion shifts. The uncertainty caused by these shifts has been reduced by more than four orders of magnitude compared to the original NRC trap, down to a level of ≈ 10-18. In this paper we discuss the evaluation of micromotion shifts and of several other sources of importance to optical frequency standards based on single ions. The total fractional frequency uncertainty of the new strontium ion trap system is estimated to be ≈ 2 × 10-17, limited by the blackbody radiation shift. A preliminary measurement of the clock transition frequency with a fractional uncertainty of 2×10-15, limited by the accuracy of the maser reference, is also presented.
Publication date
PublisherIEEE
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; National Research Council Canada
Peer reviewedYes
NRC numberxxxxxx
NPARC number20951806
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Record identifier4211a72d-6dcd-46f6-aceb-3d078f741a42
Record created2012-11-13
Record modified2016-05-09
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