Abstract

Improved parameters for the description of Rayleigh scattering in air and for the detailed rotational Raman scattering component for scattering by O₂ and N₂ are presented for the wavelength range 200–1000 nm. These parameters enable more accurate calculations to be made of bulk molecular scattering and of the Ring effect for a variety of atmospheric radiative transfer and constituent retrieval applications. A solar reference spectrum with accurate absolute vacuum wavelength calibration, suitable for convolution with the rotational Raman spectrum for Ring effect calculations, has been produced at 0.01-nm resolution from several sources. It is convolved with the rotational Raman spectra of O₂ and N₂ to produce an atmospheric Ring effect source spectrum.

© 1997 Optical Society of America

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