Directive emissions from subwavelength metamaterial-based cavities

被引：118
|
作者：
Zhou, L
Li, HQ
Qin, YQ
Wei, ZY
Chan, CT
机构：
[1] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
[2] Fudan Univ, Surface Key Lab, Shanghai 200433, Peoples R China
[3] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[4] Tongji Univ, Dept Phys, Shanghai 200092, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 10期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.1881797
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We use experiment and theory to demonstrate a mechanism for directive emissions, which involves a double-plate resonance cavity made with metamaterials. In contrast, to other mechanisms employing Fabry-Perot cavities, photonic crystals, or zero index materials, our system is significantly thinner than the working wavelength and requires a smaller lateral size. We show the physics to be governed by subwavelength resonance modes unique to such metamaterial-based cavities. (c) 2005 American Institute of Physics.
引用
收藏
页码：1 / 3
页数：3
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