FDTD Analysis of Three-Dimensional Light-Beam Scattering from the Magneto-Optical Disk Structure (Special Issue on Computational Electromagnetics)
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概要
- 論文の詳細を見る
This paper implements some new techniques to analyze the light beam scattering from a magneto-optical (MO) disk using the three-dimensional finite-difference time-domain (FDTD) method. The anisotropic FDTD update equations are implemented to calculate the propagation of a coherent monochromatic light in the MO material. An anisotropic absorbing boundary condition based on Berenger's perfectly matched layer (PML) concept is also developed. The Gaussian incident light beam is introduced into FDTD computation region exactly by using equivalent electric and magnetic currents. The scattering pattern of light beam from the MO disk is computed and in part compared with that obtained by using the boundary element method. The scattering patterns by the circular recording bit of different radius are calculated to indicate the optimum radius of the recording bit.
- 社団法人電子情報通信学会の論文
- 1998-12-25
著者
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HE Yiwei
Osaka Electro-Communication University
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Uno T
The Faculty Of The Engineering Tokyo University Of Agriculture And Technology
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Uno Toru
The Department Of Electrical And Electronics Engineering Tokyo University Of Agriculture And Technol
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He Yiwei
The Faculty Of The Engineering Osaka Elctro-communication University
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Kojima Toshitaka
The Faculty Of The Engineering Kansai University
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Adachi S
The Faculty Of The Engineering Tohoku Institute Of Technology
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UNO Toru
the Faculty of the Engineering, Tokyo University of Agriculture and Technology
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ADACHI Saburo
the Faculty of the Engineering, Tohoku Institute of Technology
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Uno Toru
The Faculty Of Engineering Tokyo University Of Agriculture And Technology
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