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Plane and cylindrical waves scattering from a strip loaded single and double near zero metamaterial cylindrical object

Published online by Cambridge University Press:  10 April 2025

Abdul Raqeeb ,
Zeeshan A. Awan Open the ORCID record for Zeeshan A. Awan [Opens in a new window]  and
Arshad Hussain
Abdul Raqeeb
Affiliation:
Department of Electronics, Quaid-i-Azam University, Islamabad, 45320, Pakistan
Zeeshan A. Awan*
Affiliation:
Department of Electronics, Quaid-i-Azam University, Islamabad, 45320, Pakistan
Arshad Hussain
Affiliation:
Department of Electronics, Quaid-i-Azam University, Islamabad, 45320, Pakistan
*
Corresponding author: Zeeshan A. Awan; Email: [email protected]
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Abstract

A rigorous analysis of the scattering of plane and cylindrical waves from a strip loaded single near zero and double near zero (DNZ) metamaterial cylindrical object is presented. The proposed problem has been solved using integral equations derived from Green’s theorem and usual tangential boundary conditions. During the analysis, it was found that by loading a strip onto the metamaterial cylindrical objects, one can enhance or diminish the scattering under some specified conditions. It is shown that an enhancement in the back scattering occurs for a strip loaded DNZ metamaterial cylinder as compared to the back scattering of an unloaded DNZ metamaterial cylinder for both types of incident polarization. In the case of a specifically located electric line source, it is argued that by loading a strip onto a DNZ metamaterial cylinder, one can reduce the magnitude of the total field significantly at specific observation azimuth angles. For a specific location of a magnetic line source, the magnitude of total field of a strip loaded mu near zero (MNZ) metamaterial can be significantly enhanced as compared to unloaded MNZ cylinder in the specific observation directions. This parametric investigation is helpful in the designing of cylindrical metamaterial-based devices.

Keywords

metamaterialsscattering theoryscattering widthstrip loaded cylindrical object
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , First View , pp. 1 - 15
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Copyright
© The Author(s), 2025. Published by Cambridge University Press in association with The European Microwave Association.

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