Effect of Collision Narrowing on Atmospheric Transmittance
- 1 January 1975
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 14 (1) , 56-60
- https://doi.org/10.1364/ao.14.000056
Abstract
The effect of collision narrowing on inhomogeneous, long-path atmospheric transmittance is discussed. The different temperature and pressure dependence of the collision narrowing and the collision broadening contributions to the absorption line shape can result in a significant change in calculated values of both the absolute and relative transmitted intensity. Illustrative calculations are presented for a narrow-band source that is resonant with selected absorption lines of CO2 and is transmitted along a variety of atmospheric paths.Keywords
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