Axial electromagnetic wave propagation in inhomogeneous dielectrics

被引：29
|
作者：
McCall, MW [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2BW, England
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2001年 / 34卷 / 12-13期
基金：
英国工程与自然科学研究理事会;
关键词：
Bragg gratings; coupled wave theory; circular Bragg phenomenon; thin film helicoidal bianisotropic media; chiral media;
D O I：
10.1016/S0895-7177(01)00141-8
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We review the mathematical description of axial propagation in inhomogeneous dielectrics, focusing on two canonical examples: scalar Bragg gratings and thin film helicoidal bianisotropic media (TFHBM). Coupled wave analysis is reviewed for the former, and exact methods based on rotational transforms axe discussed for the latter. There are many similarities between the physical descriptions that are emphasised in reviewing the modelling techniques, although the transform which allows the TFHBM case to be solved exactly is shown to be inapplicable in the scalar case. (C) 2001 Elsevier Science Ltd. All rights reserved.
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页码：1483 / 1497
页数：15
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