Growing evanescent waves in continuous transmission-line grid media

被引：4

作者：

Andrade, T ^{[1
]}

Grbic, A ^{[1
]}

Eleftheriades, GV ^{[1
]}

机构：

[1] Univ Toronto, Edward S Rogers Sr Dept Elect & Comp Engn, Toronto, ON M5G 1G6, Canada

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2005年 / 15卷 / 02期

关键词：

backward waves; evanescent waves; left-handed metamaterials; negative refraction; periodic sturctures; plasmons;

D O I：

10.1109/LMWC.2004.842864

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：

We demonstrate the growth of evanescent waves in a backward-wave medium which consists of a printed continuous transmission-line (TL) grid without any embedded lumped elements (chip or printed) or vias. This proposed medium is referred to as a backward-wave, transmission-line (BWTL) grid. When such a BWTL medium is sandwiched between two complementary forward-wave transmission-line (FWTL) grids, growing evanescent waves are supported in the BWTL medium. Analysis and microwave simulations verity the growth of evanescent waves including in the realistic case of lossy TLs. The proposed BWTL medium is easy to construct and inherently scalable with frequency.

引用

页码：131 / 133

页数：3

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