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Atmospheric and Oceanic Optics

2017 year, number 10

Estimation of optical properties of “soft” radially inhomogeneous ellipsoidal particles

L.E. Paramonov
P.P. Shirshov Institute of Oceanology, 36, Nakhimovski prospect, Moscow, Russia, 117997
Keywords: радиально-неоднородная эллипсоидальная частица, radially inhomogeneous ellipsoidal particle

Abstract

The Rayleigh-Gans-Debye and anomalous diffraction approximations are used to formulate necessary and sufficient conditions for optical equivalence of randomly oriented radially inhomogeneous optically “soft” ellipsoidal particles and polydisperse radially inhomogeneous spherical particles. The consequences of the optical equivalence are used as a basis for the optical classification of isotropic ensembles of “soft” ellipsoidal particles. Correctness of the classification is illustrated by the T-matrix method and Mie theory calculations.