Abstract

The Raman wave-number shift for scattering at oxygen molecules is almost exactly 2/3 of the nitrogen Raman shift. This is used to build up a chain of three consecutive laser emission lines separated by 1/3 of the nitrogen Raman shift. It is shown that it is possible to determine aerosol extinction and backscatter coefficients without a priori assumptions from the received Rayleigh–Mie and Raman (oxygen and nitrogen) signals.

© 1995 Optical Society of America

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