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Theoretical T Circuit Modeling of Graphene-Based Metamaterial Broadband Absorber

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Abstract

We demonstrate a broadband light absorber with its absorption being able to reach as high as 90 % and above ranging from the ultraviolet to the visible regimes. A theoretical model is given for the purpose of analyzing the physical mechanism of the absorption. By applying the equivalent T circuit model of metamaterial layers to the analysis of our designed absorber, our calculated results are in good agreement to that of the theoretical model and satisfy the perfect-absorption condition very well.

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Acknowledgments

The authors are grateful for the support from the National Natural Science Foundation of China (Grant No. U1532133).

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Authors and Affiliations

  1. School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan Province, People’s Republic of China

    Fujuan Huang & Yongqi Fu

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  1. Fujuan Huang
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  2. Yongqi Fu
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Correspondence to Yongqi Fu.

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Huang, F., Fu, Y. Theoretical T Circuit Modeling of Graphene-Based Metamaterial Broadband Absorber. Plasmonics 12, 571–575 (2017). https://doi.org/10.1007/s11468-016-0299-x

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  • DOI: https://doi.org/10.1007/s11468-016-0299-x

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