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Design of a linear to circular polarization converter integrated into a concrete construction for radome applications

Published online by Cambridge University Press:  05 July 2021

Murat Öztürk ,
Umur Korkut Sevim ,
Olcay Altıntaş Open the ORCID record for Olcay Altıntaş [Opens in a new window] ,
Emin Ünal ,
Oğuzhan Akgöl ,
Muharrem Karaaslan  and
Cumali Sabah
Murat Öztürk
Affiliation:
Civil Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Umur Korkut Sevim
Affiliation:
Civil Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Olcay Altıntaş*
Affiliation:
Electrical and Electronics Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Emin Ünal
Affiliation:
Electrical and Electronics Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Oğuzhan Akgöl
Affiliation:
Electrical and Electronics Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Muharrem Karaaslan
Affiliation:
Electrical and Electronics Engineering, Iskenderun Technical University, Iskenderun, Hatay, Turkey
Cumali Sabah
Affiliation:
Department of Electrical and Electronics Engineering, Middle East Technical University – Northern Cyprus Campus, Kalkanli, Guzelyurt, TRNC/Mersin 10, Turkey Kalkanli Technology Valley (KALTEV), Middle East Technical University – Northern Cyprus Campus, Kalkanli, Guzelyurt, TRNC/Mersin 10, Turkey
*
Author for correspondence: Olcay Altıntaş, E-mail: olcay.altintas@iste.edu.tr
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Abstract

In this paper, we present a linear to circular polarization converter integrated in a concrete structure to eliminate signal transmission problem originated from the concrete buildings in microwave regime. Two polarization converter samples and a control specimen made by traditional concrete are designed and their signal transmission responses are compared experimentally. Axial ratio values which can be calculated by the ratio between the co-polar transmission and cross-polar transmission results of the proposed samples are below 3 dB and highly sufficient for linear to circular polarization conversion activity. The operating frequency for the proposed sample 1 is between 6 and 6.5 GHz with 500 MHz of bandwidth. The proposed sample 2 exhibits dual-band operation covering frequency bands, 4.58–5.13 and 6.0–6.4 GHz with bandwidths of 550 and 400 MHz, respectively. Operating frequencies of the samples are in the WIMAX frequency bands. In addition, the liner to circular polarization converter design integrated to concrete has a huge potential to improve reflection and directivity parameters of many antennas if it is considered as a radome.

Keywords

Concretemeta-concretemetamaterialpolarization converterradome
Type
Metamaterials and Photonic Bandgap Structures
Information
International Journal of Microwave and Wireless Technologies , Volume 14 , Issue 7 , September 2022 , pp. 824 - 831
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press in association with the European Microwave Association

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