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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Origami-inspired metamaterial absorbers for improving the larger-incident angle absorption
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Origami-inspired metamaterial absorbers for improving the larger-incident angle absorption

机译：折纸启发的超材料吸收器，用于改善大入射角吸收

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When a folded resistive patch array stands up on a metallic plane, it can exhibit more outstanding absorption performance. Our theoretical investigations and simulations demonstrated that the folded resistive patch arrays can enhance the absorption bandwidth progressively with the increase of the incident angle for the oblique transverse magnetic incidence, which is contrary to the conventional resistive frequency selective surface absorber. On illumination, we achieved a 3D structure metamaterial absorber with the folded resistive patches. The proposed absorber is obtained from the inspiration of the origami, and it has broadband and lager-incident angle absorption. Both the simulations and the measurements indicate that the proposed absorber achieves the larger-incident angle absorption until 75 degrees in the frequency band of 3.6-11.4 GHz. In addition, the absorber is extremely lightweight. The areal density of the fabricated sample is about 0.023 g cm(-2). Due to the broadband and lager-incident angle absorption, it is expected that the absorbers may find potential applications such as stealth technologies and electromagnetic interference.
机译：当折叠的电阻贴片阵列在金属平面上站立时，它可以表现出更出色的吸收性能。我们的理论研究和仿真表明，折叠电阻贴片阵列可以随着倾斜横向磁场入射角的增加而逐渐增加吸收带宽，这与常规的电阻频率选择表面吸收器相反。在照明方面，我们获得了带有折叠电阻贴片的3D结构超材料吸收体。拟议的吸收器是从折纸的灵感中获得的，它具有宽带吸收能力和更大的入射角吸收能力。仿真和测量结果均表明，所提出的吸收器在3.6-11.4 GHz的频带中直至75度都实现了较大的入射角吸收。另外，吸收器非常轻便。所制作样品的面密度约为0.023 g cm（-2）。由于宽带和较大入射角吸收，预计吸收器可能会发现潜在的应用，例如隐形技术和电磁干扰。

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