, Volume 13, Issue 4, pp 1159–1163 | Cite as

High Optical Transmission in a Hybrid Plasmonic-Optical Structure with a Continuous Metal Film

  • Zongpeng Wang
  • Yumin HouEmail author


Metals are naturally opaque for electromagnetic (EM) waves below violet frequency due to the Coulomb screening effect. In this letter, we demonstrate high optical transparency of a seamless continuous metal film by sandwiching it in a hybrid plasmonic-optical structure. The proposed structure consists of a plasmonic array and an optical cavity, which exhibits magnetic plasmon (MP) resonance and optical Fabry-Perot (FP) resonance, respectively. An optical transparency of 84% in the near-IR regime is achieved making use of interaction between the plasmonic and optical modes. Furthermore, spectral tunability of the high transparency is demonstrated and robustness under oblique incidence is examined. This work may give insights into plasmonic-optical interactions and may be a potential candidate for transparent electrodes.


Extraordinary optical transmission Magnetic plasmon Continuous metallic film Fabry-Perot resonance Hybrid structure 



This work is supported by the National Natural Science Foundation of China (Grant No. 61575006).


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.State Key Laboratory for Mesoscopic Physics, School of PhysicsPeking UniversityBeijingChina

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