Electromagnetic scattering from the spherical Luneberg lens
作者:
P.J. Hardaker,
A.R. Holt,
期刊:
Journal of Electromagnetic Waves and Applications
(Taylor Available online 1994)
卷期:
Volume 8,
issue 3
页码: 391-405
ISSN:0920-5071
年代: 1994
DOI:10.1163/156939394X00939
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This study presents a newly developed technique for obtaining the theoretical scattering characteristics of the Luneberg lens. Generally, such calculations are approximated by using multi-layered, concentric sphere models. Here the Fredholm Integral Method (FIM) has been applied to the scattering problem, involving a single inhomogeneous sphere, where the refractive index of the sphere varies with radial distance from its centre. Comparisons are presented between scattering from the Luneberg lens, modeled by 3-, 5- and 10-layered spheres and by the FIM technique, for k0a values in the range 1.0 to 5.0. A comparison is also given, at k0a = 5.0 , with a differential equation solution.
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