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チュウジョウ ユウデンタイ ニ ヨル ガウス ビームハ ノ サンラン 柱状誘電体によるガウスビーム波の散乱 Scattering of a Gaussian Beam by a Dielectric Cylinder 横田, 光広 7103 ヨコタ, ミツヒロ 40191506 Yokota, Mitsuhiro 青山, 邦央 15894 アオヤマ, クニヒロ Aoyama, Kunihiro 青山, 邦央 15894 アオヤマ, クニヒロ Aoyama, Kunihiro Scattering, method of moment, Gaussian beam Abstract Scattering of a Gaussian beam by a dielectric cylinder is studied numerically. The scattered field is expressed by the integral form and this expression is converted to the matrix form by the moment method. To verify the accuracy, the scattering by a circular dielectric cylinder is examined and the scattered near field is compared to the exact one. The dielectric cylinder is considered as the convex lens in optical communication system. The effect of the width and curvature of the lens on the scattered field is discussed. We show some useful numerical results. departmental bulletin paper 宮崎大学工学部 Faculty of Engineering, University of Miyazaki 2004-10 VoR application/pdf 宮崎大学工学部紀要 33 157 161 Memoirs of Faculty of Engineering, University of Miyazaki AA00732558 05404924 https://miyazaki-u.repo.nii.ac.jp/record/2992/files/KJ00002428238.pdf http://hdl.handle.net/10458/317 https://miyazaki-u.repo.nii.ac.jp/records/2992 jpn