Negative refraction without negative index

被引：12
|
作者：
Hansen, Robert C. [1 ]
机构：
[1] RC Hansen Inc, Tarzana, CA 91357 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 02期
关键词：
lossy wedge; negative refraction; Snell refraction; EXPERIMENTAL-VERIFICATION;
D O I：
10.1109/TAP.2007.915440
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：
Refraction of a microwave plane wave by a wedge with exact characterization of epsilon' and epsilon" is evaluated by a ray approach. Snell's Law is used for the lossless wedge, while exact formulations are used for the propagation constants and angle in the lossy wedge. The heavily lossy wedge produces negative refraction. Data are given on the loss factor that allows Snell refraction to be exactly reversed by lossy refraction, and the internal angle in the lossy wedge.
引用
收藏
页码：402 / 404
页数：3
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