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. 2016 Jul 15;6:29626. doi: 10.1038/srep29626

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Copyright © 2016, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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MIM metasurface design (a) Overall schematic plot of the reflection type MIM metasurface (Rings #1~#4 with light yellow color are composed of double nano-bars structures, while brownish ring stands for Ring #5 composed of single nano-bars); (b) one of the 32 sectors extracted from the first ring; (c) zoom-in for double nano-bars array rotated by θ in the local coordinate of the sector; (d) schematic plot for orthogonally patterned MIM double nano-bars unit cell; (e) MIM single nano-bar unit cell.