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Millihertz-linewidth lasers

A sharper laser

Nature Physics volume 5, pages 382383 (2009) | Download Citation

A new approach to lasers that promises optical emission with a spectral linewidth of just 1 mHz could lead to even more accurate and stable atomic clocks.

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Author information

Affiliations

  1. Uwe Sterr and Christian Lisdat are at the Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany.  uwe.sterr@ptb.de

    • Uwe Sterr
    •  & Christian Lisdat

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DOI

https://doi.org/10.1038/nphys1296

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