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|Author(s):||Christopher W. Oates; N Poli; P. Gill; G.M. Tino;|
|Title:||Optical Atomic Clocks|
|Published:||December 01, 2013|
|Abstract:||In the last ten years extraordinary results in time and frequency metrology have been demonstrated. Frequency stabilization techniques for continous wave lasers and femto-second optical frequency combs have enabled a rapid development of frequency standards based on optical transitions in ultra-cold neutral atoms and trapped ions. As a result, today's best performing atomic clocks tick at an optical rate and allow scientists to perform high resolution measurements with a precision approaching a few parts in 1018. This paper reviews the state of the art in optical clock research and addresses the implementation of optical clocks in a possible future redefinition of the SI second as well as in tests of fundamental physics.|
|Citation:||Rivista Del Nuovo Cimento|
|Pages:||pp. 555 - 624|
|Keywords:||Atomic Frequency Standards,Femtosecond Frequency Combs,High Resolution Laser Spectroscopy,Optical Atomic Clocks|