Converging biconcave metallic lens by double-negative extraordinary transmission metamaterial

被引：14
|
作者：
Navarro-Cia, M. [1 ]
Beruete, M. [1 ]
Sorolla, M. [1 ]
Campillo, I. [2 ]
机构：
[1] Univ Publ Navarra, Millimeter & Terahertz Waves Lab, E-31006 Pamplona, Spain
[2] CIC nanoGUNE Consolider, Donostia San Sebastian 20018, Spain
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 14期
关键词：
lenses; metamaterials; microwave photonics; millimetre wave filters; optical arrays; optical design techniques; optical polarisers; refractive index; spatial filters; OPTICAL-TRANSMISSION; REFRACTION; PLASMONS;
D O I：
10.1063/1.3118585
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this letter we present simulation and experimental results of a left-handed converging biconcave metallic lens made of stacked subwavelength hole arrays (SSHAs) working in the millimeter wave range with additional features of polarizer and frequency filter. The converging behavior of the biconcave metallic lens, in contrast with focusing biconvex dielectric lenses, comes as a result of the negative index of refraction that characterizes double-negative metamaterials made of SSHAs. The presented results may find application in the design of lenses and devices both in the microwave, infrared and optical ranges.
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页数：3
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