Wideband terahertz absorber based on Mie resonance metasurface | Zendy

Qingmin Wang | Zendy; Ruilin Zhou | Zendy; Xuying Wang | Zendy; Yunsheng Guo | Zendy; Yanan Hao | Zendy; Ming Lei | Zendy; Ke Bi | Zendy

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Wideband terahertz absorber based on Mie resonance metasurface

Author(s) -

Qingmin Wang,

Ruilin Zhou,

Xuying Wang,

Yunsheng Guo,

Yanan Hao,

Ming Lei,

Ke Bi

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5000393

Subject(s) - wideband , terahertz radiation , permittivity , materials science , resonator , metamaterial absorber , optoelectronics , optics , resonance (particle physics) , bandwidth (computing) , absorption (acoustics) , dielectric , metamaterial , physics , telecommunications , computer science , tunable metamaterials , particle physics

Terahertz absorber has attracted much attention. However, most of them have complex structures and narrow bandwidth. Here, a wideband terahertz metasurface absorber based on Mie resonance is demonstrated. The metasurface absorber is prepared by combining four dielectric resonators with different permittivity values into a single unit cell. The absorption of the wideband metasurface absorber goes beyond 80% from 8.37 to 8.60 THz, showing wideband absorption performance. In addition, the center frequency of the wideband metasurface absorber can be tuned by the size and permittivity of the dielectric resonators, which makes the proposed absorber suitable for applications in wideband terahertz devices

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