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Apodized 2f/1f wavelength modulation spectroscopy method for calibration-free trace detection of carbon monoxide in the near-infrared region: theory and experiment

Chemical EngineeringNear-infrared RegionEngineeringNatural SciencesSpectroscopyCalibration-free Trace DetectionInfrared SpectroscopyAbsorption SpectroscopyAnalytical ChemistryChemistrySpectrochemical AnalysisMolecular SpectroscopyAtomic Fluorescence SpectroscopyCarbon Monoxide