Green function for radiation and propagation in helicoidal bianisotropic mediums

被引：15

作者：

Lakhtakia, A ^{[1
]}

Weiglhofer, WS ^{[1
]}

机构：

[1] UNIV GLASGOW,DEPT MATH,GLASGOW G12 8QW,LANARK,SCOTLAND

来源：

IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION | 1997年 / 144卷 / 01期

关键词：

chiral liquid crystals; sculptured thin films; thin-film HBMs; complex media; electromagnetic theory; Green function;

D O I：

10.1049/ip-map:19970979

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Radiation by prescribed sources in a helicoidal bianisotropic medium (HBM) is investigated. The Oseen transformation and spatial Fourier transforms are used to obtain an inhomogeneous, first-order, matrix differential equation with nonconstant coefficients. As these coefficients are analytic functions of z and can be expanded as polynomials in that variable, the solution of an auxiliary homogeneous differential equation is explicitly and simply obtained. On using this auxiliary equation's solution, the radiated fields are determined and an appropriate Green function is formulated as a 4 x 4 matrix. Novel results apply to thin-film HBMs as well as to chiral liquid crystals.

引用

页码：57 / 59

页数：3

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