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Frequency Comb Improves Cavity Ringdown Spectroscopy

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Richard Gaughan

Spectral discrimination reveals band structures to identify analytes, but accessing spectral information has been challenging, as spectroscopists have been forced to balance the parameters of spectral range, sensitivity, resolution and acquisition time. Now scientists at JILA in Boulder, Colo., a joint institute of the National Institute of Standards and Technology and the University of Colorado, have developed a cavity ringdown technique that optimizes all of these features. Spectrometers usually must balance spectral range and resolution, sensitivity and acquisition time, trading low...Read full article

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