Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna

Khaled Yahya Alqurashi; James R. Kelly

doi:10.1109/APUSNCURSINRSM.2017.8072497

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Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna

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Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna

Khaled Yahya Alqurashi and James R. Kelly

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, pp.909-910

Institute of Electrical and Electronics Engineers (IEEE)

2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (San Diego, CA, USA, 09/07/2017 - 14/07/2017)

01/2018

DOI: https://doi.org/10.1109/APUSNCURSINRSM.2017.8072497

Abstract

Aperture-coupled patch antenna; Continuous tuning; Frequency reconfigurable; Liquid metal; Microfluidics; Liquids; Metals; Patch antennas; Microstrip antennas; Tuning; Microstrip

This paper presents a continuously tunable microstrip patch antenna formed from liquid metal (eutectic gallium indium). The concept and design of the antenna have been validated through computer simulation. The antenna is capable of reconfiguring its operating frequency in a continuous manner. The proposed design consists of a microstrip patch which is excited via aperture coupling. The EGaIn liquid metal is contained within a microfluidic channel which is formed within a polydimethylsiloxane (PDMS) substrate. Frequency tuning is achieved by altering the amount of fluid within the channel to vary the electrical length of the antenna. The simulated antenna provides a frequency tuning range of approximately 104% and a total usable spectrum (S11 <; -10 dB) of 105%. The antenna can be tuned from 3.21 GHz to 10.12 GHz. The maximum realized gain is 6.9 dBi and the total efficiency is 82%.

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Title: Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna
Creators: Khaled Yahya Alqurashi
James R. Kelly
Publication Details: 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, pp.909-910
Conference: 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (San Diego, CA, USA, 09/07/2017 - 14/07/2017)
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date published: 01/2018
Date submitted: 24/09/2019
Identifiers: 99513314202346
Copyright: © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Academic Unit: School of Computer Science and Electronic Engineering
Resource Type: Conference presentation

Continuously tunable frequency reconfigurable liquid metal microstrip patch antenna

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