Reconfigurable water-substrate based antennas with temperature control

Mobashsher, Ahmed Toaha and Abbosh, Amin (2017) Reconfigurable water-substrate based antennas with temperature control. Applied Physics Letters, 110 25: . doi:10.1063/1.4986788

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Author Mobashsher, Ahmed Toaha
Abbosh, Amin
Title Reconfigurable water-substrate based antennas with temperature control
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
Publication date 2017-06-01
Year available 2017
Sub-type Article (original research)
DOI 10.1063/1.4986788
Open Access Status File (Publisher version)
Volume 110
Issue 25
Total pages 5
Place of publication Melville, NY United States
Publisher AIP Publishing
Language eng
Subject 3101 Physics and Astronomy (miscellaneous)
Abstract We report an unexplored reconfigurable antenna development technique utilizing the concept of temperature variable electromagnetic properties of water. By applying this physical phenomena, we present highly efficient water-substrate based antennas whose operating frequencies can be continuously tuned. While taking the advantage of cost-effectiveness of liquid water, this dynamic tuning technique also alleviates the roadblocks to widespread use of reconfigurable liquid-based antennas for VHF and UHF bands. The dynamic reconfigurability is controlled merely via external thermal stimulus and does not require any physical change of the resonating structure. We demonstrate dynamic control of omnidirectional and directional antennas covering more than 14 and 12% fractional bandwidths accordingly, with more than 85% radiation efficiency. Our temperature control approach paves the intriguing way of exploring dynamic reconfigurability of water-based compact electromagnetic devices for non-static, in-motion and low-cost real-world applications.
Keyword Physics, Applied
Q-Index Code C1
Q-Index Status Provisional Code
Grant ID UQECR1719917
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Information Technology and Electrical Engineering Publications
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