NASA NTRS · 19880003303
Atomic frequency standards for ultra-high-frequency stability
Abstract
The general features of the Hg-199(+) trapped-ion frequency standard are outlined and compared to other atomic frequency standards, especially the hydrogen maser. The points discussed are those which make the trapped Hg-199(+) standard attractive: high line Q, reduced sensitivity to external magnetic fields, and simplicity of state selection, among others.
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Maleki, L., Prestage, J. D., Dick, G. J.. 1987-11-15. Atomic frequency standards for ultra-high-frequency stability. https://ntrs.nasa.gov/citations/19880003303
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