Inverse Design of Dielectric Resonator Cloaking Based on Topology Optimization

被引:0
|
作者
Yongbo Deng
Zhenyu Liu
Yongmin Liu
Yihui Wu
机构
[1] Chinese Academy of Sciences,State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP)
[2] Chinese Academy of Sciences,Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP)
[3] Northeastern University,Department of Mechanical and Industrial Engineering
[4] Northeastern University,Department of Electrical and Computer Engineering
来源
Plasmonics | 2017年 / 12卷
关键词
Resonator cloaking; Inverse design; Topology optimization; Fabry-pérot resonance cloaking; Mie resonance cloaking; Hybrid resonance cloaking;
D O I
暂无
中图分类号
学科分类号
摘要
In many applications, a cloaked resonator is highly desired, which can harvest and maximize the energy within the resonator without being detected. This paper presents the resonator cloaking achieved by topology optimization-based inverse design methodology. The resonator cloaking is inversely designed by solving the topology optimization problem with minimizing the ratio of the scattering field energy outside the cloak and the cloaked resonating field energy. By inversely designing the resonator cloaking with relative permittivity 2 for both the resonator and cloak, the topology optimization-based inverse design methodology is demonstrated, where the incident angle sensitivity is considered to derive incident angle insensitive design. Then, the proposed methodology is applied for the cases with resonator and cloak materials chosen from dielectrics with low, moderate and high permittivity, respectively. The derived results demonstrate that the resonator cloaking can be categorized into three types, which are the Fabry-Pérot resonance cloaking, Mie resonance cloaking and hybrid resonance cloaking.
引用
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页码:1717 / 1723
页数:6
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