A Dual-Band Metasurface-Based Antenna with Shorting Pins

Zhang, W., Zhou, J., Huang, Y., Akinsolu, M. O., He, M. and Liu, B. (2021) A Dual-Band Metasurface-Based Antenna with Shorting Pins. In: 2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Chongqing, China, 15-17 Nov 2021, pp. 240-242. ISBN 9781665428194 (doi: 10.1109/IMWS-AMP53428.2021.9643878)

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A dual-band metasurface (MTS)-based antenna can be realized by composite right-/left-handed (CRLH) structures for wireless power transfer or ambient wireless energy harvesting. The bandwidth in the right-handed (RH) region can be obtained by exciting different desired transverse magnetic (TM) modes while that in the left-handed (LH) region can be achieved by mushroom radiating structures. The position choice of shorting pins in mushroom structures is significant since it will not only affect the potential bandwidth in the RH region, but also be related to the resonant frequencies in the LH region. The positions of the shorting pins will be chosen where the Electric field distribution is minimal for modes excited in the RH region. The proposed dual-band MTS-based antenna with an overall size of 0.375 λ0×0.375λ0×0.035 λ0 can achieve 25% and 48% fractional bandwidths, and 5.0 and 9.6 dBi peak gains in the lower and higher frequency band, respectively.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:He, Mr Mingwei and Liu, Dr Bo
Authors: Zhang, W., Zhou, J., Huang, Y., Akinsolu, M. O., He, M., and Liu, B.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Published Online:23 December 2021
Copyright Holders:Copyright © 2021 IEEE
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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