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Materials 2014, 7(2), 1296-1317; doi:10.3390/ma7021296

Liquid-Crystal-Enabled Active Plasmonics: A Review

College of Information Science and Engineering, Northeastern University, Shenyang 110004, Liaoning, China
Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
Institute of Materials Research and Engineering, 3 Research Link, Singapore 117602, Singapore
Author to whom correspondence should be addressed.
Received: 17 January 2014 / Revised: 1 February 2014 / Accepted: 12 February 2014 / Published: 18 February 2014
(This article belongs to the Special Issue Liquid Crystals)
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Liquid crystals are a promising candidate for development of active plasmonics due to their large birefringence, low driving threshold, and versatile driving methods. We review recent progress on the interdisciplinary research field of liquid crystal based plasmonics. The research scope of this field is to build the next generation of reconfigurable plasmonic devices by combining liquid crystals with plasmonic nanostructures. Various active plasmonic devices, such as switches, modulators, color filters, absorbers, have been demonstrated. This review is structured to cover active plasmonic devices from two aspects: functionalities and driven methods. We hope this review would provide basic knowledge for a new researcher to get familiar with the field, and serve as a reference for experienced researchers to keep up the current research trends.
Keywords: liquid crystal; plasmonics; nanostructure; actively tunable device liquid crystal; plasmonics; nanostructure; actively tunable device
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Si, G.; Zhao, Y.; Leong, E.S.P.; Liu, Y.J. Liquid-Crystal-Enabled Active Plasmonics: A Review. Materials 2014, 7, 1296-1317.

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