Chinese Optics Letters, 2010, 8 (12): 1175, Published Online: Dec. 21, 2010  

Effective medium theory applied to frequency selective surfaces on periodic substrates Download: 588次

Author Affiliations
1 Key Laboratory of Optical System Advanced Manufacturing Technology, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3 Key Laboratory of Optical System Advanced Manufacturing Technology, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China:
Abstract
We apply the effective medium theory combined with the conventional periodic method of moments (MoM) to analyze frequency selective surfaces (FSSs) on periodic and anisotropic substrates. Based on the effective medium theory, even periodic and anisotropic substrates can be considered homogeneous; thus, the Green's function can be obtained. The resulting integral equation can then be solved by the MoM using rooftop basis functions and Galerkin testing functions. We analyze an example using this technique, and the numerical results agree with Fallahi's full-vector semi-analytical method, showing an increasing difference between the results as the frequencies increase. These results show that the proposed method is effective for analyzing FSSs on periodic and anisotropic substrates.

Huaxin Zhu, Jinsong Gao, Jingli Zhao, Tongtong Wang, Xiaoguo Feng, Fengchao Liang, Yansong Wang, Xin Chen. Effective medium theory applied to frequency selective surfaces on periodic substrates[J]. Chinese Optics Letters, 2010, 8(12): 1175.

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