Electrically tuned microwave devices using liquid crystal technology
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(Published version)
Date
2013
Authors
Yaghmaee, P.
Karabey, O.
Bates, B.
Fumeaux, C.
Jakoby, R.
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Journal article
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International Journal of Antennas and Propagation, 2013; 2013:1-9
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Pouria Yaghmaee, Onur Hamza Karabey, Bevan Bates, Christophe Fumeaux and Rolf Jakoby
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Abstract
An overview of liquid crystal technology for microwave and millimeter-wave frequencies is presented. The potential of liquid crystals as reconfigurable materials arises from their ability for continuous tuning with low power consumption, transparency, and possible integration with printed and flexible circuit technologies. This paper describes physical theory and fundamental electrical properties arising from the anisotropy of liquid crystals and overviews selected realized liquid crystal devices, throughout four main categories: resonators and filters, phase shifters and delay lines, antennas, and, finally, frequency-selective surfaces and metamaterials.
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Copyright © 2013 Pouria Yaghmaee et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.