Spectroscopic measurement of the energy absorbed or emitted by an object is an invaluable experimental technique. An innovative approach opens the door to the acquisition of previously inaccessible data.
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Wilhelm, F. A shift in spectroscopy. Nature 455, 41–43 (2008). https://doi.org/10.1038/455041a
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DOI: https://doi.org/10.1038/455041a
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