Electro-optical switching by liquid-crystal controlled metasurfaces
Open Access
- 3 April 2013
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 21 (7), 8879-8885
- https://doi.org/10.1364/oe.21.008879
Abstract
We study the optical response of a metamaterial surface created by a lattice of split-ring resonators covered with a nematic liquid crystal and demonstrate millisecond timescale switching between electric and magnetic resonances of the metasurface. This is achieved due to a high sensitivity of liquid-crystal molecular reorientation to the symmetry of the metasurface as well as to the presence of a bias electric field. Our experiments are complemented by numerical simulations of the liquid-crystal reorientation.Keywords
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