Abstract

We prove that a previous derivation of the scattering and extinction efficiencies for infinitely large absorbing spheres is incorrect, and leads to an erroneous limit for the scattering efficiency. We then derive an expression for the scattering efficiency limit from geometrical optics and that is valid when the refractive index has a small imaginary part.

© 1980 Optical Society of America

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Equations (19)

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