To the analyticity of the effective refractive index

被引：2

作者：

Puz'ko, R. S. ^{[1
,2
]}

Merzlikin, A. M. ^{[1
,2
]}

机构：

[1] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia

[2] Russian Acad Sci, Inst Theoret & Appl Elect, Moscow 125412, Russia

来源：

JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2016年 / 61卷 / 12期

关键词：

COMPOSITE-MATERIALS; APPROXIMATION; SUPERLATTICES;

D O I：

10.1134/S1064226916110103

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：

The possibility to describe the plane-wave propagation in a periodic layered medium in terms of effective parameters is considered. It is shown that, for a finite system, the effective refractive index can be determined with the help of the amplitude transmission coefficient. The analyticity of the effective refractive index as a function of frequency is studied. It is shown that the effective refractive index is an analytic function of frequency, and the Kramers-Kronig relations, which connect the real and imaginary parts, are found.

引用

页码：1368 / 1373

页数：6

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