Left-handed electromagnetic properties of split-ring resonator and wire loaded transmission line in a fin-line technology

被引：20

作者：

Decoopman, T ^{[1
]}

Marteau, A ^{[1
]}

Lheurette, E ^{[1
]}

Vanbésien, O ^{[1
]}

Lippens, D ^{[1
]}

机构：

[1] Univ Sci & Technol Lille, Inst Elect Microelect & Nanotechnol Nord, F-59652 Villeneuve Dascq, France

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2006年 / 54卷 / 04期

关键词：

fin line; left-handed (LH) materials; metamaterials;

D O I：

10.1109/TMTT.2006.871356

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 report on experiments carried out on a backward transmission line, which consists of a fin-line periodically loaded by split-ring resonators and shunt wires. We first demonstrate the left-handed character of these frequency-selective transmission lines via: 1) dispersion diagram calculations which have been compared to the frequency dependence of measured scattering parameters; 2) the tracking of the phase fronts; and 3) the phase offset between two lines of various lengths. The effective refraction index found experimentally was approximately -4. Taking benefit of the use of a closed electromagnetic system and successful matching, the losses are especially analyzed. The ratio between incident and absorbed energy is 65% for a three-cell prototype and reaches 91% for ten cells.

引用

页码：1451 / 1457

页数：7

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