John L. Hall

John L. Hall (2015) - What About Redefining Time Using a Stable Laser?

Several laser-based Atomic Clocks now have an accuracy potential of ~2 x10-18, a hundred-fold better than the best achieved after more than 60 years’ experience with rf resonances in Cs atoms. Still, this long attention span documents that the Cs Fountain Atomic Clock has certainly been mankind’s best measurement reference