A flexible metamaterial with negative refractive index at visible wavelength

被引：23
|
作者：
Choi, Muhan [1 ,2 ]
Choe, Jong-Ho [1 ]
Kang, Byungsoo [1 ,3 ]
Choi, Choon-Gi [1 ]
机构：
[1] ETRI, Creat Res Ctr Graphene Elect, Taejon 305700, South Korea
[2] Kyungpook Natl Univ, Sch Elect Engn, Taegu 702701, South Korea
[3] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
来源：
CURRENT APPLIED PHYSICS | 2013年 / 13卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Flexible metamaterial; Fishnet structure; Negative refractive index; Visible wavelength; Focused ion beam; SUPERLENS;
D O I：
10.1016/j.cap.2013.06.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we demonstrated a realization of a flexible metamaterial with negative refractive index operating at visible wavelength. With the help of Finite-Difference Time-Domain (FDTD) method, we could establish design rules for the metamaterial and analyze the characteristics of it. To this end, the fishnet structure with the unit cell size 185 nm by 240 nm was fabricated. Due to the polymer dielectric spacer between the metal-layers, the metamaterial is freestanding without base substrate and additional backside etching process. Crown Copyright (C) 2013 Published by Elsevier B. V. All rights reserved.
引用
收藏
页码：1723 / 1727
页数：5
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