The search for Earth-like planets outside our Solar System is bedevilled by the lack of an adequate frequency standard for calibrating starlight. Tweaking existing laser 'frequency combs' could be a way forward.
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References
Li, C.-H. et al. Nature 452, 610–612 (2008).
Cundiff, S., Ye, J. & Hall, J. Sci. Am. 298 (4), 74–81 (2008).
Udem, Th., Holzwarth, R. & Hänsch, T. W. Nature 416, 233–237 (2002).
http://nobelprize.org/nobel_prizes/physics/laureates/2005/index.html
Murphy, M. T. et al. Mon. Not. R. Astron. Soc. 380, 839–847 (2007).
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Walker, G. With a coarse-tooth comb. Nature 452, 538–539 (2008). https://doi.org/10.1038/452538a
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DOI: https://doi.org/10.1038/452538a
