基于多层共振的宽带太赫兹元表面吸收器

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) Pub Date : 2022-07-10 DOI:10.1109/AP-S/USNC-URSI47032.2022.9887365

Kai Wang, Hailiang Zhu, Ganyu Liu, Yuwei Qiu, Jinchao Mou, G. Wei

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摘要

本文提出了一种近乎完美的太赫兹吸收器。基于多层共振，元表面在2.7 ~ 4.38THz范围内的吸光率达到90%以上。由于该结构具有严格的中心对称性，因此在任何偏振角下都能保持相同的吸收速率和带宽。此外，当入射角为40度时，该结构可以保持原有带宽，吸收率约保持在80%以上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Broadband Terahertz Meta-surface Absorber Based on Multi-layer Resonances

In this paper, a near-perfect terahertz absorber is proposed. Based on the multi-layer resonances, the meta-surface has obtained absorbing rate of more than 90% from 2.7THz to 4.38THz. Since the strict center symmetry of the structure, the same absorbing rate and bandwidth can be maintained for any polarization angle. In addition, while the incident angle is 40 degrees, the structure can hold the original bandwidth, and the absorbing rate is approximately maintained above 80%.

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2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)

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