Optical atomic clocks

@article{Poli2013OpticalAC,
  title={Optical atomic clocks},
  author={N. Poli and C. Oates and P. Gill and G. Tino},
  journal={Rivista Del Nuovo Cimento},
  year={2013},
  volume={36},
  pages={555-624}
}
In the last ten years extraordinary results in time and frequency metrology have been demonstrated. Frequency-stabilization techniques for continuous-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… Expand
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