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Plasmon coupling in the double-sector structure

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Abstract

A silver nanostructure consisting of double sectors is proposed in this paper. In addition, the plasmon resonance and electric field enhancement have been investigated theoretically. It is found that, in this structure, the multiple resonances produce, which is tunable by the parameter of the structure. The localized electromagnetic fields can be produced at the tips of the structure. In addition, the enhanced electromagnetic fields can be observed between the sectors in a wide scale at the lower energy peak. The result of the investigation has great significance for the production of practical nanostructures and the improvement of possible applications.

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Acknowledgements

This work was supported by the National Science Foundation of China (No. 11304247), Natural Science Basis Research Plan in Shaanxi Province of China (No. 2016GY-029), Shaanxi Provincial Research Plan for Young Scientific and Technological New Stars (No. 2015KJXX-40), and The Natural Science Foundation of Shaanxi Educational Committee (Program No. 15JK1668).

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Authors and Affiliations

  1. School of Physics and Information Technology, Shaanxi Normal University, Xi’an, 710000, China

    Jianxia Qi & Runcai Miao

  2. School of Science, Xi’an University of Posts and Telecommunications, Xi’an, 710121, China

    Jianxia Qi

  3. School of Electronic Engineering, Xi’an University of Posts and Telecommunications, Xi’an, 710121, China

    Jun Dong

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  1. Jianxia Qi
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  2. Runcai Miao
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  3. Jun Dong
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Correspondence to Runcai Miao or Jun Dong.

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Qi, J., Miao, R. & Dong, J. Plasmon coupling in the double-sector structure. Opt Rev 24, 297–300 (2017). https://doi.org/10.1007/s10043-017-0314-2

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  • DOI: https://doi.org/10.1007/s10043-017-0314-2

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