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2D finite-difference frequency-domain method and its application for dispersion characteristic analysis of ferrite devices

✍ Scribed by Achmad Munir; Hiroshi Kubo; Atsushi Sanada; Ikuo Awai

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
154 KB
Volume
41
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

In this paper, a two dimensional (2D) finite‐difference frequency‐domain (FDFD) method is applied to analyze the dispersion characteristics of ferrite devices. The FDFD formulation for ferrite devices is built from the integral form of Maxwell's equations. After implementing all the boundary conditions, the finite‐difference formulation is concluded as an eigen equation and then constructed by a highly sparse matrix. By solving the matrix‐eigen equation, the dispersion characteristics of ferrite devices for a given frequency can be obtained. In order to verify the validity of the proposed method, an infinite ferrite‐filled waveguide is examined and the numerical results are compared to both the theoretical result and the 3D finite‐difference time‐domain (FDTD) numerical result. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 437–439, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20163

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