GIANT CIRCULAR DICHROISM AND NEGATIVE REFRACTIVE INDEX OF CHIRAL METAMATERIAL BASED ON SPLIT-RING RESONATORS

被引：41
|
作者：
Cheng, Yongzhi [1 ]
Nie, Yan [1 ]
Wu, Lin [1 ]
Gong, Rongzhu [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2013年 / 138卷
关键词：
OPTICAL-ACTIVITY; WAVE-GUIDE; WIDE-BAND; SRR; TRANSMISSION; SIMULATION; ANTENNA; DESIGN; VALUES; MODES;
D O I：
10.2528/PIER13011202
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：
In this paper, a double-layer split-ring resonator structure chiral metamaterial was proposed which could exhibit pronounced circular dichroism (CD) effect and negative refractive index at microwave frequencies. Experiment and simulation calculations are in good agreement. The retrieved effective electromagnetic parameters indicate that the lower frequency CD effect is associated with the negative refractive index property of the left circularly polarized (LCP) wave, and the upper one is to the right circularly polarized (RCP) wave. The mechanism of the giant CD effect could be further illustrated by simulated surface current and power loss density distributions.
引用
收藏
页码：421 / 432
页数：12
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