Metamaterial with randomized patterns for negative refraction of electromagnetic waves

被引：32

作者：

Chen, H ^{[1
]}

Ran, L ^{[1
]}

Wang, D ^{[1
]}

Huangfu, J ^{[1
]}

Jiang, Q ^{[1
]}

Kong, JA ^{[1
]}

机构：

[1] Zhejiang Univ, Electromanget Acad, Hangzhou 3100058, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2165088

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Artificial metamaterials made to date are all periodic in structure. Here we show that by randomizing contour patterns deposited lithographically on circuit board materials, a metamaterial characterized by a constitutive relation with negative constitutive parameters is produced in solid-state form. We clearly demonstrate the phenomenon of negative refraction to show that it is not produced by periodicity. This underlines the importance of using constitutive relations for media characterization in electromagnetic theory and suggests that metamaterials could be realized with composite materials or fabricated with various techniques by using versatile hosting materials. (c) 2006 American Institute of Physics.

引用

页码：1 / 3

页数：3

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