期刊
CURRENT APPLIED PHYSICS
卷 13, 期 8, 页码 1723-1727出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cap.2013.06.028
关键词
Flexible metamaterial; Fishnet structure; Negative refractive index; Visible wavelength; Focused ion beam
资金
- Nano R&D Program through the National Research Foundation of Korea [2012-0006204]
- GNT R&D Program through the National Research Foundation of Korea [2012-0006657]
- Ministry of Science, ICT and Future Planning
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.
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