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Lattice clocks embrace ytterbium

Nature Photonics volume 3, pages 557558 (2009) | Download Citation

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Accurate frequency measurements of a narrow optical clock transition in 171Yb atoms trapped in an optical lattice establish this system as a serious contender in the quest to develop increasingly accurate atomic clocks.

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Affiliations

  1. Helen S. Margolis is at the National Physical Laboratory, Teddington, Middlesex TW11 0LW, UK.  helen.margolis@npl.co.uk

    • Helen S. Margolis

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DOI

https://doi.org/10.1038/nphoton.2009.182

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