Study of periodic dispersive structures at oblique incidence by split-field FDTD method

In this paper, the periodic structures are simulated by the split-field finite difference time domain (FDTD) method. By using this method, a set of auxiliary elements are introduced to represent the discretization of the Floquet transformed Maxwell's equations with oblique incidence. We here ex...

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Bibliographic Details
Main Authors: Si-long Lu, Bo Wu, Zhi-xiang Huang, Xian-liang Wu, Xin-gang Ren, Yi-cai Mei, Hong-mei Du
Format: Conference Proceeding
Language:English
Subjects:
Dispersion
Finite difference methods
Mathematical model
Periodic structures
Silver
Time domain analysis
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Summary:In this paper, the periodic structures are simulated by the split-field finite difference time domain (FDTD) method. By using this method, a set of auxiliary elements are introduced to represent the discretization of the Floquet transformed Maxwell's equations with oblique incidence. We here extend the split-field method to the study of 2D dispersive structures of Drude model combining with the Z transformation method. Some numerical experiments are presented to validate the code, and the obtained results are in good with the analytic results.
DOI:10.1109/ICMMT.2012.6230261