Narrowband perfect metasurface absorber based on impedance matching


  • Muhammad Ali Butt Samara National Research University, Russia Warsaw University of Technology, Poland
  • Nikolai Lvovich Kazansky Samara National Research University, Russia



We presented a numerical investigation of a metamaterial narrowband perfect absorber conducted via a finite element method based on commercially available COMSOL software. The periodic array of silicon meta-atoms (MAs) are placed on 80 nm thick gold layer. The broadband light at normal incidence is blocked by the gold layer and silicon MAs are used to excite the surface plasmon by scattering light through it. Maximum absorption of 95.7 % is obtained at the resonance wavelength of 1137.5 nm due to the perfect impedance matching of the electric and magnetic dipoles. The absorption is insensitive to the wide-angle of incidence ranging from 0 to 80 degrees. We believe that the proposed metamaterial device can be utilized in solar photovoltaic and biochemical sensing applications.

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How to Cite

M. A. Butt and N. L. Kazansky, “Narrowband perfect metasurface absorber based on impedance matching”, Photonics Lett. Pol., vol. 12, no. 3, pp. 88–90, Sep. 2020.