Water-vapor mixing-ratio measurements in the solar-blind region.
It is shown that, under clear sky conditions, water-vapor mixing-ratio measurements by solar-blind Raman lidars can be improved if the differential transmissivity is calculated by use of a single Raman signal instead of the usual Raman differential absorption lidar method, which allows one to exploit the large absorption cross section of ozone in this spectral region. We present a discussion of statistical and systematic errors in both methods and show the results of a numerical simulation.
de Tomasi
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F
Torsello
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Perrone
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MR