Sommerfeld integrals for left-handed materials

被引：12

作者：

Chew, WC ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Urbana, IL 61801 USA

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2004年 / 42卷 / 05期

关键词：

left-handed material; double-negative material; layered media; Sommerfeld integrals; super-resolution;

D O I：

10.1002/mop.20307

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 [电气工程]; 0809 [电子科学与技术];

摘要：

We study the properties of left-handed materials (LHMs) with the precise help of Sommerfeld integrals. First we argue by energy conservation principles that LHM has to be a backward-wave material (BWM). Then we derive the equivalence of the loss and the Sommerfeld far-field radiation conditions for a BWM. Next, we solve the realistic Sommerfeld problem of a point source over an LHM half-space and an LHM slab. This analysis lends physical insight into the interaction of a point source field with an LHM, showing that super-resolution is possible with an LHM slab. (C) 2004 Wiley Periodicals, Inc.

引用

页码：369 / 373

页数：5

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