Abstract

A line shape model has been developed to study the continuum absorption of microwave radiation by water vapor. The model was tested in the spectral region below 30 cm⁻¹ by comparison with an experimental spectrum [ Zhevakin, et al., Radiophysical Research Institute Report ( Gorky, U.S.S.R., 1978]. The model includes effects of finite duration of collisions and the far line contribution. The far line contribution is found to be the dominant factor for continuum absorption. Other contributions to the continuum absorption are also studied.

© 1990 Optical Society of America

Line shape model for describing infrared absorption by water vapor

Michael E. Thomas and Robert J. Nordstrom
Appl. Opt. 24(21) 3526-3530 (1985)

Water vapor absorption coefficients in the 8–13-μm spectral region: a critical review

William B. Grant
Appl. Opt. 29(4) 451-462 (1990)

Pressure dependence of the water vapor continuum absorption in the 3.5–4.0-μm region

Wendell R. Watkins, Kenneth O. White, Lanny R. Bower, and Brian Z. Sojka
Appl. Opt. 18(8) 1149-1160 (1979)

Water vapor–nitrogen absorption at CO₂ laser frequencies

J. C. Peterson, M. E. Thomas, R. J. Nordstrom, E. K. Damon, and R. K. Long
Appl. Opt. 18(6) 834-841 (1979)

Effects of oxygen addition on pressure-broadened water-vapor absorption in the 10-μm region

R. J. Nordstrom, M. E. Thomas, J. C. Peterson, E. K. Damon, and R. K. Long
Appl. Opt. 17(17) 2724-2729 (1978)