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Effects of bi-isotropic coatings and bi-isotropic background media upon gain characteristics of an axially slotted cylinder

Published online by Cambridge University Press:  11 November 2016

Z. A. Awan
Z. A. Awan*
Affiliation:
Department of Electronics, Quaid-i-Azam University, Islamabad, Pakistan
*
Corresponding author: Z. A. Awan Email: [email protected]
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Abstract

An analysis about the effects of various bi-isotropic (BI) coatings and BI background media upon the gain characteristics of an axially slotted cylinder using numerical simulations is presented. It is investigated that chirality and Tellegen parameters of a coating and a background medium play a significant role in modifying the gain properties. It is further studied that an axially slotted cylinder when coated with a strong BI material and embedded in a free space background significantly enhances the gain in the forward direction. On the other hand, a strong Tellegen coating guides most of the radiated field from an axial slot toward rear side of the cylinder.

Keywords

Axial slotChiral materialTellegen materialSlotted cylinderGain Pattern
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 5 , June 2017 , pp. 1093 - 1102
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2016 

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