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Astrocombs for extreme-precision spectroscopy

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Microphotonic frequency combs are chip-based light sources, until now confined to optics laboratories. Improved stabilities usher these devices out of the lab and into high-resolution astronomic spectrometer systems.

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Fig. 1: An illustration of an on-chip frequency comb as a calibration source.

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Authors and Affiliations

  1. Institut National de la Recherche Scientifique (INRS-EMT), Varennes, Quebec, Canada

    Piotr Roztocki & Roberto Morandotti

  2. Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China

    Roberto Morandotti

  3. ITMO University, St. Petersburg, Russia

    Roberto Morandotti

Authors
  1. Piotr Roztocki
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  2. Roberto Morandotti
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Correspondence to Piotr Roztocki or Roberto Morandotti.

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Roztocki, P., Morandotti, R. Astrocombs for extreme-precision spectroscopy. Nat Astron 3, 135–136 (2019). https://doi.org/10.1038/s41550-019-0698-y

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