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Appl. Sci. 2018, 8(6), 982; https://doi.org/10.3390/app8060982

Active Color Control in a Metasurface by Polarization Rotation

1,†
,
1,†
,
2,†
,
1
,
3
and
1,2,4,*
1
Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
2
Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
3
Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Korea
4
National Institute of Nanomaterials Technology (NINT), Pohang 37673, Korea
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 17 May 2018 / Revised: 11 June 2018 / Accepted: 13 June 2018 / Published: 15 June 2018
(This article belongs to the Special Issue Photonic Metamaterials)
Full-Text   |   PDF [1778 KB, uploaded 15 June 2018]   |  

Abstract

Generating colors by employing metallic nanostructures has attracted intensive scientific attention recently, because one can easily realize higher spatial resolution and highly robust colors compared to conventional pigment. However, since the scattering spectra and thereby the resultant colors are determined by the nanostructure geometries, only one fixed color can be produced by one design and a whole new sample is required to generate a different color. In this paper, we demonstrate active metasurface, which shows a range of colors dependent on incident polarization by selectively exciting three different plasmonic nanorods. The metasurface, which does not include any tunable materials or external stimuli, will be beneficial in real-life applications especially in the display applications. View Full-Text
Keywords: structural color printing; metasurface; active metamaterials; polarization control structural color printing; metasurface; active metamaterials; polarization control
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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 (CC BY 4.0).
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Kim, M.; Kim, I.; Jang, J.; Lee, D.; Nam, K.T.; Rho, J. Active Color Control in a Metasurface by Polarization Rotation. Appl. Sci. 2018, 8, 982.

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