A definition of the SI second based on several optical transitions

A new definition of the SI second based on optical transitions is expected to be adopted within the next 10 years. Several options for this redefinition are currently under consideration. Among them, a definition based on several transitions would take advantage of the variety of high performance op...

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Bibliographic Details
Published in:Journal of physics. Conference series 2024-11, Vol.2889 (1), p.12026
Main Author: Lodewyck, Jérôme
Format: Article
Language:English
Subjects:
Frequency standards
Optical frequency
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Summary:A new definition of the SI second based on optical transitions is expected to be adopted within the next 10 years. Several options for this redefinition are currently under consideration. Among them, a definition based on several transitions would take advantage of the variety of high performance optical frequency standards. In this paper, we review practical aspects such a definition entails, and propose a detailed analysis of its strengths and weaknesses.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2889/1/012026