Abstract

An approximate method [ J. Opt. Soc. Am. 72, 756 ( 1982)] for inferring the albedo of single scattering and Legendre moments of the angular scattering function from the asymptotic die-away of the backscattered radiance following a pulse on an optically thick slab target is numerically shown to be valid if the radiance is accurately known at a sufficient number of azimuthal angles for a fixed polar angle. The sensitivity of the estimated parameters to simulated random errors in the radiance is also examined, and it is inferred that the albedo of single scattering and the asymmetry factor, and perhaps a third parameter, might be obtainable by such a technique from measurements at only three azimuthal angles.

© 1985 Optical Society of America

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