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Some Far‐Field Scattering Characteristics of Radially Inhomogeneous Particles
Author(s) -
Kai Li,
Massoli Patrizio,
D'Alessio Antonio
Publication year - 1994
Publication title -
particle and particle systems characterization
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 56
eISSN - 1521-4117
pISSN - 0934-0866
DOI - 10.1002/ppsc.19940110506
Subject(s) - scattering , refractive index , rainbow , physics , optics , near and far field , electromagnetic radiation , plane (geometry) , electromagnetic field , light scattering , computational physics , field (mathematics) , plane wave , forward scatter , intensity (physics) , geometry , mathematics , quantum mechanics , pure mathematics
The finely stratified sphere model was used to calculate scattered electromagnetic fields from radially inhomogeneous spherical particles illuminated by electromagnetic plane waves. The calculation results show that radial gradients of the real part of the refractive indices change the ray paths into curved lines inside large spherical particles, resulting in fluctuations of rainbow positions for droplets during heat transfer processes. The light intensity in the forward scattering region is found to be useful to infer information about the profile of the imaginary part of the refractive index.