Scattering of radiation by a system of point dipoles on a ring. Exact solution in two dimensions

被引：1
|
作者：
Janowicz, Maciej [1 ,2 ]
机构：
[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[2] Warsaw Univ Life Sci, Fac Comp Sci, PL-02776 Warsaw, Poland
来源：
JOURNAL OF MODERN OPTICS | 2010年 / 57卷 / 05期
关键词：
radiation scattering; wave equation; discrete dipole approximations; LIGHT-SCATTERING; APPROXIMATION; ABSORPTION; PARTICLES; ICE;
D O I：
10.1080/09500341003632662
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Scattering of radiation by a system on N quasi-point like dipoles located on a circle (equidistantly in the polar angle) in two spatial dimensions is considered. The coupling of the dipoles is taken into account exactly. A closed-form expression for the electric fields at the points where the dipoles are located is given via the partial wave decomposition. Scattering and focusing properties are investigated for both dielectric and metallic scatterers.
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页码：366 / 374
页数：9
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