Dual band metamaterial perfect absorber based on Mie resonances

被引：78

作者：

Liu, Xiaoming ^{[1
]}

Lan, Chuwen ^{[1
]}

Bi, Ke ^{[2
]}

Li, Bo ^{[1
]}

Zhao, Qian ^{[3
]}

Zhou, Ji ^{[1
]}

机构：

[1] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[2] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China

[3] Tsinghua Univ, Dept Precis Instruments & Mechanol, State Key Lab Tribol, Beijing 100084, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2016年 / 109卷 / 06期

基金：

中国国家自然科学基金;

关键词：

WIDE INCIDENT ANGLE; LIGHT-ABSORPTION; SUPER ABSORBERS; BROAD; FABRICATION; DESIGN;

D O I：

10.1063/1.4960802

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We numerically and experimentally demonstrated a polarization insensitive dual-band metamaterial perfect absorber working in wide incident angles based on the two magnetic Mie resonances of a single dielectric "atom" with simple structure. Two absorption bands with simulated absorptivity of 99% and 96%, experimental absorptivity of 97% and 94% at 8.45 and 11.97 GHz were achieved due to the simultaneous magnetic and electric resonances in dielectric "atom" and copper plate. Mie resonances of dielectric "atom" provide a simple way to design metamaterial perfect absorbers with high symmetry. Published by AIP Publishing.

引用

页数：5

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