Plasmon resonance in split-ring resonator based heterostructures

被引：0

作者：

Zhou, Xin ^{[1
]}

Chen, Xinghui ^{[1
]}

Huang, Lumeng ^{[1
]}

Zhu, Junwei ^{[1
]}

Li, Tong ^{[1
]}

机构：

[1] Hunan Univ Technol, Sch Sci, Zhuzhou 412007, Peoples R China

来源：

MATERIALS EXPRESS | 2023年 / 13卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Plasmon Resonance; Transmission Spectra; Heterogeneous Split-Ring Resonator (SRR); Field Distribution; FANO RESONANCES; METAMATERIALS; ENHANCEMENT; MAGNETISM;

D O I：

10.1166/mex.2023.2322

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We herein propose a plasmonic nanostructure that is composed of heterogeneous metallic split-ring resonator (SRR) trimers with built-in crosses. We studied its optical transmission properties by using finite difference time domain (FDTD) method. Results showed that, the resonant modes can be changed when the nanostructures are composed of different types of metals. For the heterogeneous metallic SRR trimers, the resonant modes were in the near-infrared region blue shift, but the modes remained the same when the air slit width was increased. All the dips red-shifted as dielectric constant of the SRRs medium was increased. The resonant modes in the visible region red shifted when the arms of metallic cross length were increased, but locations of resonance dips in the near-infrared rgion remained unchanged. Magnetic and electric field IP: 203.8 10920 On: Wed, 29 Mar 2023 13:49:47 distributions for certain wavelengths wee also investigated. Copyright: American Scie

引用

页码：111 / 116

页数：6

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