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. 2016 Nov 18;5(11):e16172. doi: 10.1038/lsa.2016.172

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Copyright © 2016 The Author(s)

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 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-nc-nd/4.0/

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Periodic coding metasurfaces and their far-field patterns. (a) PEC reflector (or full-‘1’ coding metasurface). (b) 010101… periodic coding metasurface. (c) 01110111… periodic coding metasurface. (d) (0,1;1,0) chess-board periodic coding metasurface. (i) Coding patterns. (ii) FFTs of the coding patterns. (iii) 2D polar far-field patterns. (iv) 3D far-field patterns.