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Rigorous study of propagation in metallic circular waveguide filled with anisotropic metamaterial

Published online by Cambridge University Press:  05 January 2017

Hedi Sakli ,
Mohamed Yahia ,
Wyssem Fathallah ,
Jun Wu Tao  and
Taoufik Aguili
Hedi Sakli*
Affiliation:
Communication System Laboratory Sys'Com, National Engineering School Of Tunis, University Tunis El Manar, B.P: 37, Le Belvédère, 1002 Tunis, Tunisia
Mohamed Yahia
Affiliation:
Communication System Laboratory Sys'Com, National Engineering School Of Tunis, University Tunis El Manar, B.P: 37, Le Belvédère, 1002 Tunis, Tunisia
Wyssem Fathallah
Affiliation:
Communication System Laboratory Sys'Com, National Engineering School Of Tunis, University Tunis El Manar, B.P: 37, Le Belvédère, 1002 Tunis, Tunisia
Jun Wu Tao
Affiliation:
Laboratoire Plasma et Conversion d'Energie LAPLACE, Ecole Nationale Supérieure d'Electrotechnique, d'Electronique, d'Informatique, d'Hydraulique et des Télécommunications, 2 rue Camichel, Toulouse, cedex 31071, France
Taoufik Aguili
Affiliation:
Communication System Laboratory Sys'Com, National Engineering School Of Tunis, University Tunis El Manar, B.P: 37, Le Belvédère, 1002 Tunis, Tunisia
*
Corresponding author: H. Sakli Email: saklihedi12@gmail.com
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Abstract

This paper presents an extension of the formulation of wave propagation in transverse electric (TE) and transverse magnetic (TM) modes in the case of metallic circular waveguides filled with anisotropic metamaterials. The determined higher-order modes have been analyzed and exploited to the design of filters. Among the particularities of anisotropic material, the backward waves can propagate below the cut-off frequency. The numerical results for TE and TM modes have been compared with theoretical predictions. Good agreements were obtained. We analyzed a periodic structure containing waveguides filled with anisotropic metamaterial using the mode-matching technique. By using modal analysis, our approach reduced considerably the computation time compared to HFSS.

Keywords

Anisotropic metamaterialsBackward and forward wavesCircular waveguidesMode matchingPropagation
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 4 , May 2017 , pp. 805 - 813
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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