Cavity ring-down spectroscopy of the fifth overtone of CO
Journal of Quantitative Spectroscopy and Radiative Transfer(2017)
摘要
The extremely weak 6–0 absorption band of the 12C16O molecule was recorded for the first time using a very sensitive cavity ring-down spectrometer. Frequencies of a few atomic transitions in the 0.8μm region, transferred to the passive modes of a thermally stabilized Fabry-Pérot interferometer, are used to calibrate the observed spectra with an absolute accuracy of 3×10−4cm−1. Line parameters, including line positions, intensities, self-broadening and -shifting coefficients were derived by fitting the observed spectra with the Voigt profile.
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关键词
Cavity ring-down spectroscopy,Carbon monoxide,Overtone
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