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Numerical analysis of uniform rectangular waveguides filled by inhomogeneous dielectrics

✍ Scribed by Alessandro Toscano; Filiberto Bilotti; Lucio Vegni

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 116 KB
Volume: 34
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.10446

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✦ Synopsis

Abstract

A numerical analysis of a uniform rectangular waveguide filled by an inhomogeneous dielectric with a continuous spatial variation of the relative permittivity is presented in this Letter. The proposed method, based on a method‐of‐moments (MoM) solution of the differential equations for TE, LSE, and LSM modes, is applied to find out the cutoff frequencies of the waveguide. Some numerical examples are also presented, considering both continuous and stepped variations of the permittivity along a transverse direction. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 34: 313–316, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10446

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