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Metrology

New generation of combs

To measure an optical frequency, you are best off using an optical frequency comb. A radical approach shakes up how these combs are produced, and will permit their closer integration into optical-fibre technology.

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Figure 1: Unfurling the standard.

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Cundiff, S. New generation of combs. Nature 450, 1175–1176 (2007). https://doi.org/10.1038/4501175b

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