An optical-transparent metamaterial for high-efficiency microwave absorption and low infrared emission

被引：57

作者：

Xu, Cuilian ^{[1
]}

Wang, Binke ^{[1
]}

Yan, Mingbao ^{[1
]}

Pang, Yongqiang ^{[2
]}

Wang, Wenjie ^{[1
]}

Meng, Yueyu ^{[1
]}

Wang, Jiafu ^{[1
]}

Qu, Shaobo ^{[1
]}

机构：

[1] Air Force Engn Univ, Dept Basic Sci, Xian 710051, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2020年 / 53卷 / 13期

基金：

中国国家自然科学基金;

关键词：

metamaterial; optical transparency; radar-infrared stealth-compatibility; PERFECT ABSORBER; DESIGN; BROAD; METASURFACE; SCATTERING;

D O I：

10.1088/1361-6463/ab651a

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An optically transparent metamaterial structure with simultaneously broadband microwave absorptivity and low infrared (IR) emissivity is proposed. Two specifically designed optically transparent metasurfaces were combined to realize radar and IR bi-stealth. One was designed to control the microwave absorption though properly modifying the impedance and resonance peaks of the meta-atom. The other was designed to control the IR radiation. Within a wide incident angle of +/- 60 degrees, the proposed structure displays high absorptivity greater than 90% in the region of 6.28-12.29 GHz for TE polarization. For TM polarization, the absorptivity in the region of 7.19-15.26 GHz is greater than 90%. The IR emissivity of the metamaterial structure is about 0.30 in the IR region from 3 mu m to 14 mu m. The perfect consistency between experimental results and simulation results demonstrates that the proposal has practical application of multispectral stealth technology.

引用

页数：8

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