An all-dielectric metasurface absorber based on surface wave conversion effect

An all-dielectric metasurface absorber based on surface wave conversion effect
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基于表面波转换效应的全介质超表面吸波体

DOI:
10.1063/5.0057529
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发表时间:
2021-08
影响因子:
4
通讯作者:
Zhao Qian
Zhao Qian
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Wen Jingda;Ren Qiang;Peng Ruiguang;Zhao Qian

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高吸收超薄超颖表面吸波材料在电磁辐射防护和隐身设计中具有重要的应用。在本文中,所提出的超颖表面吸收体组成的一维相位梯度超胞和均匀共振超胞可以达到理想的吸收在10 GHz的减少表面波的散射。此外,二维相位梯度超颖表面吸收体对具有不同偏振角的波具有更好的吸收,并且具有更宽的入射角范围。我们的工作提供了一种很有前途的方法来实现高吸收,这是简单的,更强大的比调整的有效电磁参数的超颖表面吸收。
The high-absorption ultra-thin metasurface absorber has important applications in EM radiation prevention and stealth design. In this paper, the proposed metasurface absorber composed of one-dimensional phase gradient supercell and uniform resonant supercell can reach perfect absorption at 10 GHz by reducing the scattering of the surface wave. Furthermore, the two-dimensional phase gradient metasurface absorber has better absorption of waves with different polarization angles and a wider range of incident angles. Our work provides a promising method to achieve high absorption, which is simpler and more robust than adjusting the effective EM parameters of metasurface absorber.
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