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|Title:||Tunable electric-LC resonators using liquid crystal|
Karami Horestani, A.
|Citation:||Proceedings of the 2013 IEEE Antennas and Propogation Society International Symposium, APSURSI: pp.382-383|
|Series/Report no.:||IEEE Antennas and Propagation Society International Symposium|
|Conference Name:||IEEE Antennas and Propagation Society International Symposium (2013 : Orlando, Florida)|
|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.|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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