期刊
CHINESE PHYSICS B
卷 23, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/23/5/054102
关键词
metamaterial; transparent device; inverse design; multilayer realization
资金
- National Natural Science Foundation of China [61161007, 61261002]
- Natural Science Foundation of Yunnan Province, China [2011FB018]
- Postdoctoral Science Foundation of China [2013M531989]
- Key Program of Natural Science of Yunnan Province, China [2013FA006]
- Fostering Foundation for the Excellent Ph.D. Dissertation of Yunnan University, China
We propose an inverse method to determine the material parameters of a transparent device without any knowledge of the corresponding transformation function. The required parameters are independently obtained and expressed as functions of the introduced generator. Moreover, to remove the inhomogeneity and anisotropy of material parameters, a layered transparent device composed of only homogeneous and isotropic materials is presented based on the effective medium theory. The feasibility of using the layered device in antenna protection is also investigated. Full-wave simulation is carried out for verification. This work paves a new way toward designing metamaterial devices without specifying the underlying coordinate transformation, and has great guiding significance for the practical fabrication of transparent devices.
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