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Electro-optical switching by liquid-crystal controlled metasurfaces

Decker, Manuel; Kremers, Christian; Minovich, Alexander; Staude, Isabelle; Miroshnichenko, Andrey E.; Chigrin, Dmitry; Neshev, Dragomir N.; Jagadish, Chennupati; Kivshar, Yuri S.

Description

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...[Show more]

CollectionsANU Research Publications
Date published: 2013-04-08
Type: Journal article
URI: http://hdl.handle.net/1885/99886
Source: Optics Express 21, 8879-8885 (2013)
DOI: 10.1364/OE.21.008879

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