Polarization-independent dual-band perfect absorber utilizing multiple magnetic resonances

被引：80

作者：

Yoo, Young Joon ^{[1
,2
]}

Kim, Young Joo ^{[1
,2
]}

Pham Van Tuong ^{[1
,2
]}

Rhee, Joo Yull ^{[3
]}

Kim, Ki Won ^{[4
]}

Jang, Won Ho ^{[5
]}

Kim, Y. H. ^{[6
]}

Cheong, H. ^{[7
]}

Lee, YoungPak ^{[1
,2
]}

机构：

[1] Hanyang Univ, Dept Phys, Seoul 133791, South Korea

[2] Hanyang Univ, RINS, Seoul 133791, South Korea

[3] Sungkyunkwan Univ, Dept Phys, Suwon, South Korea

[4] Sunmoon Univ, Dept Display, Asan, South Korea

[5] Korea Radio Promot Assoc, Electromagnet Wave Inst, Seoul, South Korea

[6] Inforvion Inc, Seoul, South Korea

[7] Sogang Unvers, Seoul, South Korea

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 26期

关键词：

NEGATIVE INDEX; METAMATERIALS;

D O I：

10.1364/OE.21.032484

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a dual-band metamaterial perfect absorber at microwave frequencies. Using a planar metamaterial, which consists of periodic metallic donut-shape meta-atoms at the front separated from the metallic plane at the back by a dielectric layer, we demonstrate the multi-plasmonic high-frequency perfect absorptions induced by the third-harmonic as well as the fundamental magnetic resonances. The origin of the induced multi-plasmonic perfect absorption was elucidated. It was also found that the perfect absorptions at dual peaks are persistent with varying polarization. (C) 2013 Optical Society of America

引用

页码：32484 / 32490

页数：7

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