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. 2018 Sep 12;8:13709. doi: 10.1038/s41598-018-32052-7

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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(a) Schematic of the unit cell of the graphene-based perfect absorption structure using magnetic dipole resonance. (b) Simulated total absorption spectrum and absorption spectra of the monolayer graphene and the metal. The electric and magnetic field distribution of the 1D metal grating structure at the resonant wavelength: (c) Normalized electric field at 1556 nm. (d) Normalized magnetic field at 1556 nm, where the black arrows represent electric displacement. The white dashed line marks the position of graphene in (c) and (d).