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http://dx.doi.org/10.6109/jkiice.2010.14.1.038

Analysis of the Cylindrical Metamaterial Slab Using the Higher Order-mode Finite Difference Time Domain Method  

Hong, Ic-Pyo (공주대학교 정보통신공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.14, no.1, 2010 , pp. 38-44 More about this Journal
Abstract
In this paper, the higher order FDTD(Finite-Difference Time-Domain) method is used to obtain the frequency response characteristics of the cylindrical metamaterial slab. FDTD method is one of strongest electromagnetic numerical method which is widely used to analyze the metamaterial structure because of its simplicity and the dispersive FDTD equation which has the dispersive effective dielectric constant and permeability are derived to analyze the metamaterials. This derived dispersive FDTD equation has no errors in analyzing the dielectric materials but there are some time and frequency errors in case of analyzing the metamaterials. We used the higher order FDTD method to obtain the accurate frequency response of the metamaterials. Comparisons between the dispersive FDTD method and the higher order FDTD method are performed in this paper also. From the results, we concluded that more accurate frequency response for various metamaterials applications can be obtained using the proposed method in this paper.
Keywords
Higher Order-mode Finite Difference Time Domain method; Cylindrical Metamaterial; Frequency Response;
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