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Astrocombs for extreme-precision spectroscopy

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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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).

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