Frequency combs


Science Magazine cover proposal: Laser comb developed for astronomy. Such a laser comb is necessary to act as a ‘ruler’ for calibrating the new, extremely precise spectrographs that will be needed in the future to search for Earth-like planets or measure the expansion of the Universe. deeper within it. This article was featured in Science Magazine in September 2008 and part of the team was, among others, 2005 Physics Nobel Prize Winner Theodor W. Hänsch.

Credit: ESO/L.Calçada

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