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多層周期構造における有効誘電率に関する数値的検討 Numerical Examination on Effective Permittivity of Multilayered Periodic Structures by the FDTD Method タソウ シュウキ コウゾウ ニオケル ユウコウ ユウデンリツ ニ カンスル スウチテキ ケントウ 松元, 和正 マツモト, カズマサ 溝口, 大貴 ミゾグチ, ダイキ 40191506 横田, 光広 ヨコタ, ミツヒロ Yokota, Mitsuhiro 横田 ヨコタ Yokota 光広 ミツヒロ Mitsuhiro 宮崎大学 University of Miyazaki Matsumoto, Kazumasa Mizoguchi, Daiki FDTD method, Effective permittivity, Periodic structure The effective permittivity of the multilayered periodic structure is examined using the reflectance and transmissivity obtained by the FDTD method. By using the reflectance and transmissivity by the FDTD method, the effective permittivity of the dielectric slab, which has the same reflectance and transmissivity with that of periodic structure, is obtained by using the transcendental equation. Also, the range of application and the validity of the effective permittivity are shown. As the numerical examination, the two-layered periodic structure which consists of the circular cylinders is examined. It is shown that validity of the effective permittivity for the two-layered periodic structure verify. 宮崎大学工学部 Faculty of Engineering, University of Miyazaki 2013-08-30 jpn departmental bulletin paper VoR http://hdl.handle.net/10458/4710 https://miyazaki-u.repo.nii.ac.jp/records/2643 AA00732558 05404924 宮崎大学工学部紀要 Memoirs of Faculty of Engineering, University of Miyazaki 42 45 48 https://miyazaki-u.repo.nii.ac.jp/record/2643/files/engineering45-48.pdf application/pdf 814.4 kB 2020-06-21