Design of 3D isotropic metamaterial device using smart transformation optics

被引：10
|
作者：
Shin, Dongheok [1 ]
Kim, Junhyun [1 ]
Yoo, Do-Sik [2 ]
Kim, Kyoungsik [1 ]
机构：
[1] Yonsei Univ, Sch Mech Engn, Seoul 120749, South Korea
[2] Hongik Univ, Sch Elect & Elect Engn, Seoul 121791, South Korea
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 17期
基金：
新加坡国家研究基金会;
关键词：
CLOAK; LIGHT;
D O I：
10.1364/OE.23.021892
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report here a design method for a 3 dimensional (3D) isotropic transformation optical device using smart transformation optics. Inspired by solid mechanics, smart transformation optics regards a transformation optical medium as an elastic solid and deformations as coordinate transformations. Further developing from our previous work on 2D smart transformation optics, we introduce a method of 3D smart transformation optics to design 3D transformation optical devices by maintaining isotropic materials properties for all types of polarizations imposing free or nearly free boundary conditions. Due to the material isotropy, it is possible to fabricate such devices with structural metamaterials made purely of common dielectric materials. In conclusion, the practical importance of the method reported here lies in the fact that it enables us to fabricate, without difficulty, arbitrarily shaped 3D devices with existing 3D printing technology. (C) 2015 Optical Society of America
引用
收藏
页码：21892 / 21898
页数：7
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