Energy conservation - A test for scattering approximationsThe roles of the extinction theorem and energy conservation in obtaining the scattering and absorption cross sections for several light scattering approximations are explored. It is shown that the Rayleigh, Rayleigh-Gans, anomalous diffraction, geometrical optics, and Shifrin approximations all lead to reasonable values of the cross sections, while the modified Mie approximation does not. Further examination of the modified Mie approximation for the ensembles of nonspherical particles reveals additional problems with that method.
Document ID
19800065000
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Acquista, C. (Drexel University Philadelphia, Pa., United States)
Holland, A. C. (NASA Wallops Flight Center Wallops Island, Va., United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1980
Subject Category
Physics (General)
Meeting Information
Meeting: Light scattering by irregularly shaped particles