Applied Metamaterials
Metamaterials Research and Development in Korea
Open Access
Research Article

© J.-G. Lee and J.-H. Lee, published by EDP Sciences, 2019

Licence Creative Commons
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.