Magnetically tunable metamaterial perfect absorber

被引：62

作者：

Lei, Ming ^{[1
,2
]}

Feng, Ningyue ^{[3
]}

Wang, Qingmin ^{[1
,2
]}

Hao, Yanan ^{[4
]}

Huang, Shanguo ^{[1
,2
]}

Bi, Ke ^{[1
,2
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

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

[3] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China

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

来源：

JOURNAL OF APPLIED PHYSICS | 2016年 / 119卷 / 24期

基金：

中国国家自然科学基金;

关键词：

Magnetic fields - Ferromagnetic resonance - Ferromagnetic materials - Metamaterials - Ferromagnetism;

D O I：

10.1063/1.4954224

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A magnetically tunable metamaterial perfect absorber (MPA) based on ferromagnetic resonance is experimentally and numerically demonstrated. The ferrite-based MPA is composed of an array of ferrite rods and a metallic ground plane. Frequency dependent absorption of the ferrite-based MPA under a series of applied magnetic fields is discussed. An absorption peak induced by ferromagnetic resonance appears in the range of 8-12 GHz under a certain magnetic field. Both the simulated and experimental results demonstrate that the absorption frequency of the ferrite-based MPA can be tuned by the applied magnetic field. This work provides an effective way to fabricate the magnetically tunable metamaterial perfect absorber. Published by AIP Publishing.

引用

页数：5

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