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An optical clock to go



Andrew D. Ludlow


Bringing next-generation atomic clocks out of the lab is not an easy task, but doing so will unlock many new possibilities. As a crucial first step, a portable atomic clock has now been deployed for relativistic geodesy measurements in the Alps.
Nature Physics


atomic clock, optical clock, optical lattice, relativistic geodesy, strontium


Ludlow, A. (2018), An optical clock to go, Nature Physics, [online], (Accessed April 16, 2024)
Created May 1, 2018, Updated February 21, 2019