Atmospheric transmission in the CO(2) bands between 12 micro and 18 micro

Abstract

Calculations have been made of high-resolution transmission in the CO(2) absorption bands between 12 micro and 18 micro by direct integration across the bands, for both homogeneous and atmospheric slant paths. Mixed Doppler-Lorentz broadening has been used at pressures lower than 100 mb. A method to eliminate the Curtis-Godson approximation has been developed and applied to the slant-path calculations. Comparisons have been made with previous theoretical and experimental data, and reasons for the discrepancies are discussed.