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《Chinese Journal of Radio Science》 2003-04
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Analysis on the dispersion characteristics of complex medium PBG structure by using non-Yee grid FDTD method

BAG Xiu-long ZHANG Wen-xun LI Le-wei ( State Key Lab. Of Millimeter Waves , Southeast University Dept. of Electronic Engineering , Shanghai 200030, China; National University of Singapore, Singapore )  
In this paper, the dispersion relations of 2D-PBG structure are calculated, by using non-Yee grid high-order FDTD method. The simulation result is in good agreement with that of the conventional FDTD method. It proves this method can be used to analyze the dispersion characteristics of PBG structure. The dispersion relations profiles of the three magnetic anisotropic medium PBG structures are presented. According to these results, it can conclude that the of magnetic anisotropic medium with the permeability of real non-diagonal elements is characterized by a wider bandgap width than isotropic PBG, while other PBG's with magnetic anisotropic medium have no effect on the bandgap width.
【Fund】: 国家自然科学基金(No.60071007);; 中-新联合研究计划(No.2001-62)
【CateGory Index】: O441
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