Accurate determination of water vapor absorption line strengths in the short wave region are required for computing earth s radiation budget and for climate prediction models. A novel diffusion cell has been built to create steady-state distributions of super-saturated water vapor. It is equipped with a photo-acoustic sensor for making sensitive and precise measurements of water vapor absorption characteristics in both saturated and super-saturated states. Details of the experimental technique and the results of initial measurements of water vapor absorption are presented.
© 2001 Optical Society of America
C. R. Prasad, B. Ranganayakamma, S. Mathur, T. Refaat, and P. Varanasi, " Measurement of absorption characteristics of saturation and super-saturated water vapor," in Optical Remote Sensing, A. Sawchuk, ed., Vol. 52 of OSA Trends in Optics and Photonics (Optical Society of America, 2001), paper OMD6.
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