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ANOMALOUS EXTINCTION EFFICIENCY OF TWO DIMENSIONAL PARTICLES IN THE VISIBLE
Author(s) -
Sharhabeel Alyones,
Charles W. Bruce,
Michael Granado
Publication year - 2020
Publication title -
progress in electromagnetics research m
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.216
H-Index - 31
ISSN - 1937-8726
DOI - 10.2528/pierm19101003
Subject(s) - extinction (optical mineralogy) , materials science , optics , physics
In this article we theoretically investigate the visible extinction efficiency that can be obtained using a two dimensional particle. We show that extinction efficiencies up to the upper limit can be obtained from two dimensional particles (thin circular disks or flakes) compared with one dimensional (fibers) and three dimensional particles (spheres). Features of the theory of electromagnetic extinction by thin circular disks are thoroughly investigated for wide size and material contents parameters in the visible. The results of this article are of importance for the search of efficient aerosol attenuative candidates in the visible spectral region.

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