Abstract

A modeling of high-resolution absorption spectra of carbon monoxide (CO) and other interfering gases at 2.35 um was conducted. Several CO absorption lines have been determined as the best for the use in laser based spectral analysis of CO under conditions of high humidity and high concentrations of CO2 in complex gas mixtures. Measurements of resonance absorption in these lines allow one to obtain maximum sensitivity and selectivity of CO analysis in the near-infrared spectral region.

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