Finite difference time domain analysis of two dimensional planer scatter

Mohammed M. Shabat; Nafez M. Barakat; Samia Al-Azab; Dieter Jager

doi:10.1117/12.524010

19 November 2003 Finite difference time domain analysis of two dimensional planer scatter

Mohammed M. Shabat, Nafez M. Barakat, Samia Al-Azab, Dieter Jager

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524010
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

An efficient Finite Difference Time Domain approach is proposed for analyzing the propagation characteristics of 2-Dimensional planar scatter. An improved finite difference time domain method for the analysis of planar scatters is formulated. In order to solve an open initial boundary value problem, an absorbing boundary condition should be used as there are many forms of absorbing boundary conditions. We try to solve the scattering problem by using some absorbing boundary condition (ABC) at boundaries. Excitation pulses are used as sinusoidal and Gaussian. An illustrated example is also presented with the use of Mur's order boundary conditions. The proposed approach could be used easily in designing various waveguide structures. The scattering parameters for various geometrical structure are computed and results found consistent with either proposed values or values previously published. The strength of this approach to boundary conditions is also noticed in terms of the economical use of personal computer memory.

Citation Download Citation

Mohammed M. Shabat, Nafez M. Barakat, Samia Al-Azab, and Dieter Jager "Finite difference time domain analysis of two dimensional planer scatter", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524010

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