Development of A Novel Ultra-Wideband Textile-Based Metamaterial Absorber for mm-Wave Band Applications

Gokberk Akarsu, Mehmet Faruk Cengiz, Diaa E. Fawzy, E. Buse Zengin, A. M.M.A. Allam, Hany Taher, Frances Cleary, Mohammed Farouk Nakmouche

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

This work proposes an ultra-wideband Metamaterial (MM) absorber for smart electronic textile (e-textile) applications. The design is based on a novel cell geometry composed of two combined letter patches (A&S) printed on a grounded textile substrate. This unit cell geometry is specifically developed and optimized for millimeter-wave (mm-wave) applications. In this study, different types of textiles are considered, namely, Felt, Denim, and Polyester, and the achieved -10 dB reflective fractional bandwidths are about 50.36%, 44.49%, and 41.42%, respectively. A comparison between conventional counterparts PCB-based dielectrics (FR-4 and Rogers RT-5880) and textile-based fabrics (Felt, Denim, and Polyester) indicates that the bandwidths exhibited by textile fabrics are significantly wider. This study also demonstrates that the bending of textile-based materials has an inverse effect on the -10 dB bandwidth, as the material's surface curvature increases. The current design is more compact, thin, and more efficient in terms of absorptivity in comparison to other reported absorbers and structures in the literature. The obtained results can be considered promising for the development of ultra-wideband e-textile-based applications such as energy harvesting, health monitoring, and camouflage systems.

Original languageEnglish (Ireland)
Title of host publication2022 International Workshop on Antenna Technology, iWAT 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages220-223
Number of pages4
ISBN (Electronic)9781665494496
DOIs
Publication statusPublished - 17 May 2022
Event2022 International Workshop on Antenna Technology, iWAT 2022 - Dublin, Ireland
Duration: 16 May 202218 May 2022

Publication series

Name2022 International Workshop on Antenna Technology, iWAT 2022

Conference

Conference2022 International Workshop on Antenna Technology, iWAT 2022
Country/TerritoryIreland
CityDublin
Period16/05/202218/05/2022

Keywords

  • metamaterial absorber
  • mm-wave absorber
  • Smart-textile
  • ultra-wideband absorber

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