Abstract

Total absorptance ∫ A(ν)dν has been determined as a function of absorber concentration w and equivalent pressure Pe for the major infrared absorption bands of carbon dioxide with centers at 3716, 3609, 2350, 1064, and 961 cm−1. The results in the 875–495 cm−1 region are expressed in terms of mean spectral absorptance A¯(ν1ν2)=ν2ν1A(ν)dν/(ν1ν2) for five separate subregions. The effects of temperature variations on absorption in some regions are discussed. Estimates of band intensity ∫ k(ν) are given for each band and are compared with the results of others.

© 1962 Optical Society of America

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