An Ultra-Wideband All-Textile Metamaterial Absorber for Ku, K and Ka Band Applications
IEEE Antennas and Wireless Propagation Letters(2024)
摘要
An all-textile metamaterial absorber is proposed for Ku, K and Ka band applications. The proposed metamaterial absorber is based on square-shaped split ring resonators. The design parameters are chosen based on commonly used electronic textile (E-textile) and felt dielectric material. The proposed structure demonstrates has a high absorption property of >90% between 13.1 GHz and 31.13 GHz. At the same time, it reaches 99% absorption value between 16.4 GHz and 21 GHz. The textile metamaterial absorber features the advantages of ultra-wideband operability, angular stability and polarization insensitivity. A proof-of-concept all-textile metamaterial absorber prototype has been fabricated and its simulation performance has been confirmed successfully by measurements. The results obtained are promising for the development of e-textile-based applications such as energy harvesting, camouflage systems, sensitive wearable electronics, health monitoring and electromagnetic shielding.
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关键词
Metamaterial,Textile absorber,Textile metamaterial,Wideband absorber
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