Invisible metallic mesh

被引：29
|
作者：
Ye, Dexin [1 ,2 ]
Lu, Ling [2 ]
Joannopoulos, John D. [2 ]
Soljacic, Marin [2 ]
Ran, Lixin [1 ]
机构：
[1] Zhejiang Univ, Lab Appl Res Electromagnet, Hangzhou 310027, Zhejiang, Peoples R China
[2] MIT, Dept Phys, Cambridge, MA 02139 USA
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2016年 / 113卷 / 10期
基金：
中国国家自然科学基金; 中国博士后科学基金; 美国国家科学基金会;
关键词：
invisible materials; scattering dark states; metamaterials; FANO RESONANCES; SCATTERING; TRANSPARENCY; CLOAKING; METAMATERIAL; PARTICLES;
D O I：
10.1073/pnas.1600521113
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A solid material possessing identical electromagnetic properties as air has yet to be found in nature. Such a medium of arbitrary shape would neither reflect nor refract light at any angle of incidence in free space. Here, we introduce nonscattering corrugated metallic wires to construct such a medium. This was accomplished by aligning the dark-state frequencies in multiple scattering channels of a single wire. Analytical solutions, full-wave simulations, and microwave measurement results on 3D printed samples show omnidirectional invisibility in any configuration. This invisible metallic mesh can improve mechanical stability, electrical conduction, and heat dissipation of a system, without disturbing the electromagnetic design. Our approach is simple, robust, and scalable to higher frequencies.
引用
收藏
页码：2568 / 2572
页数：5
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