Independently tunable dual-band perfect absorber based on graphene at mid-infrared frequencies

We design a dual-band absorber formed by combining two cross-shaped metallic resonators of different sizes within a super-unit-cell arranged in mirror symmetry. Simulations indicate that absorption efficiencies greater than 99% can be achieved at two different frequencies under normal incidence. We...

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Bibliographic Details
Published in:Sci Rep
Main Authors: Zhang, Yuping, Li, Tongtong, Chen, Qi, Zhang, Huiyun, O’Hara, John F., Abele, Ethan, Taylor, Antoinette J., Chen, Hou-Tong, Azad, Abul K.
Format: Artigo
Language:Inglês
Published: Nature Publishing Group 2015
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC4686877/
https://ncbi.nlm.nih.gov/pubmed/26689917
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep18463
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