Yue Wang, Zijian Cui, Lisha Yue, Xiaoju Zhang, Yongqiang Zhu, Xiang Zhang, Z. Yao, Dachi Zhang, Cheng Ma
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Analysis of the coupling between surface plasmon polariton mode and dipole mode at terahertz metasurface absorber
We have investigated the interaction of surface plasmon polariton (SPP) mode with dipole mode at terahertz perfect metamaterial absorber (PMA) consisted of a metasurface layer, a dielectric spacer layer, and a metallic ground. The dependence of SPP modes generated by PMA on the lattice constant of the unit cell was investigated. Also, high-quality-factor resonance is observed, which has been a subject of numerous investigations since an elevated quality factor is highly desirable for the practical application.
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