Resonance absorption measurements of NO with a line-tunable CO laser: spectroscopic data for pollution monitoring

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Abstract
Experimental coincidences between CO laser lines and seventeen NO lines have been observed. Three important parameters, the separation between each laser line and the nearest NO line (Δν), the pressure broadening parameter (γL∘), and the line strength (Sν,J), have been determined for each laser wavelength using the best match between experimental absorption data and theoretical calculations. These parameters are compared, where possible, with previously published results. The measured data are important for pollution monitoring systems employing tunable lasers in a direct absorption approach.