Electromagnetic scattering by a circular cylinder buried below a slightly rough Gaussian surface

被引：21

作者：

Fiaz, Muhammad Arshad ^{[1
]}

Frezza, Fabrizio ^{[2
]}

Ponti, Cristina ^{[3
]}

Schettini, Giuseppe ^{[3
]}

机构：

[1] Quaid I Azam Univ, Dept Elect, Islamabad, Pakistan

[2] Univ Roma La Sapienza, Dept Informat Engn Elect & Telecommun, I-00184 Rome, Italy

[3] Roma Tre Univ, Dept Engn, I-00146 Rome, Italy

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2014年 / 31卷 / 01期

关键词：

CYLINDRICAL INHOMOGENEITY; LOSSY MEDIUM; OBJECT; FIELD; WAVE; KIRCHHOFF; VALIDITY; BENEATH;

D O I：

10.1364/JOSAA.31.000026

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A two-dimensional beam is scattered by a cylinder buried below a slightly rough surface. The cylindrical wave approach is applied, i.e., cylindrical waves are employed as basis functions of the fields scattered by the cylinder. Moreover, a spectral representation of both the incident field and the cylindrical waves is used. Rough surface deviation is coped with by the first-order small perturbation method. Therefore, to a zeroth-order solution relevant to scattering in the case of a flat surface, a first-order approximation is superimposed. The theoretical approach has been implemented for a periodic surface with Gaussian roughness spectrum. (C) 2013 Optical Society of America

引用

页码：26 / 34

页数：9

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