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Type: Conference paper
Title: Tunable electric-LC resonators using liquid crystal
Author: Yaghmaee, P.
Withayachumnankul, W.
Karami Horestani, A.
Ebrahimi, A.
Bates, B.
Fumeaux, C.
Citation: Proceedings of the 2013 IEEE Antennas and Propogation Society International Symposium, APSURSI: pp.382-383
Publisher: IEEE
Publisher Place: USA
Issue Date: 2013
Series/Report no.: IEEE Antennas and Propagation Society International Symposium
ISBN: 9781467353175
ISSN: 1522-3965
Conference Name: IEEE Antennas and Propagation Society International Symposium (2013 : Orlando, Florida)
Statement of
Pouria Yaghmaee, Withawat Withayachumnankul, Ali K. Horestani, Amir Ebrahimi
Abstract: A concept of tunable electric-LC (ELC) resonators is presented in this work. The voltage-controlled tunability is achieved by using liquid crystal in a micro-fluidic channel running through the central capacitive gaps. To attain the largest tunability, the structure is optimized through a parametric analysis using full-wave electromagnetic simulations. The simulation results predict a 6% continuous frequency tuning for this ELC resonator around the frequency of 4.5 GHz. The achieved results demonstrate the possibility of using these ELC resonators in an array to form a tunable frequency selective surfaces (FSS). The principle can be scaled for operation at higher microwave frequencies, where the dissipation of liquid crystal is low.
Rights: ©2013 IEEE
RMID: 0020134869
DOI: 10.1109/APS.2013.6710852
Appears in Collections:Electrical and Electronic Engineering publications

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