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Chasing the Eighteenth Digit: Progress in Precision Timekeeping

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If you have a question about this talk, please contact Vincent Boyer.

After a brief introduction to current optical frequency standards and to the practical applications which motivate their further development, I will discuss the PTB ’s effort to build a portable aluminium-ion standard, as well as a novel laser cooling technique with which we plan to suppress the time-dilation shifts that limits the performance of current aluminium-based clocks. The talk is meant to be accessible to a broad audience; no prior knowledge of precision metrology will be assumed.

This talk is part of the Cold Atoms series.

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