Sub-wavelength microwave imaging by a slab of wire medium

被引：0
|
作者：
Belov, Pavel A. [1 ]
Hao, Yang [1 ]
Sudhakaran, Sunil [1 ]
机构：
[1] Queen Mary Univ London, Dept Elect Engn, Mile End Rd, London E1 4NS, England
来源：
2006 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4 | 2006年
关键词：
D O I：
暂无
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：
A device capable to transmit images with sub-wavelength resolution is proposed in this paper. The structure is formed by an array of parallel conducting wires (wire medium) and effectively operates as a telegraph which captures a distribution of the electric field at the front interface and transmits it to the back side without distortions. This regime of operation is called canalization and is inherent in flat lenses formed by electromagnetic crystals. The theoretical estimations are supported by numerical simulations and experimental verification. The sub-wavelength resolution of lambda/15 and 18% bandwidth of operation are demonstrated at gigahertz frequencies. The structure is capable to transport sub-wavelength images without distortion to nearly unlimited distances.
引用
收藏
页码：1388 / +
页数：2
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