Analysis of ultra-broadband metamaterial absorber based on simplified multi-reflection interference theory

被引：23
作者：
Huang, Xiaojun [1 ,2 ]
He, Xiaoling [2 ]
Guo, Linyan [1 ]
Yi, Yuanyuan [3 ]
Xiao, Boxun [3 ]
Yang, Helin [1 ]
机构：
[1] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Hubei, Peoples R China
[2] Kashgar Normal Coll, Dept Phys, Kashgar 844000, Xinjiang, Peoples R China
[3] Yangtze Univ, Geophys & Oil Resources Inst, Wuhan 430100, Hubei, Peoples R China
来源：
JOURNAL OF OPTICS | 2015年 / 17卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ultra-broadband; metamaterial absorber; interference theory; PERFECT ABSORBER; SURFACE; DESIGN;
D O I：
10.1088/2040-8978/17/5/055101
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The simplified multireflection interference theory is proposed to analyze the physical insight quantitatively of the ultra-broadband metamaterial absorber (MMA) loading lumped resisters in which the resonant layer, including lumped resisters and the substrate, are equivalent to a homogeneous and isotropic effective medium. The simulated full width at half maximum (FWHM) absorption bandwidths is approximately 11.2 GHz with relative FWHM absorption bandwidths of 116.7% for a normal incidence electromagnetic wave. Microwave experiments are performed and measured results are in good agreement with the numerical results. The absorbance of the proposed MMA calculated by the simplified multi-reflection interference theory coincides well with simulated and measured results.
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页数：8
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