材料科学
微波食品加热
光电子学
氧化铟锡
宽带
光学
极化(电化学)
吸收(声学)
波长
电磁辐射
图层(电子)
纳米技术
电信
物理
计算机科学
化学
物理化学
复合材料
作者
Lu Yang,Kejian Chen,Zhengping Zhang,Yuhang Wei,Yang Shen,Xiong Wang,Songlin Zhuang
标识
DOI:10.1021/acsami.3c11859
摘要
A transparent in visible wavelengths and ultrabroadband microwave meta-absorber (MMA) based on indium tin oxide (ITO) metasurfaces and a water layer is proposed. After optimizing a series of structural parameters, the proposed MMA can achieve ultrabroadband absorption with an absorption efficiency of more than 90%, covering the frequency range of 9.44-120.92 GHz and a relative absorption bandwidth of 171%. Furthermore, the absorber has many advantages, such as optical transparency, polarization insensitivity, and wide-angle absorption for transverse electric (TE) and transverse magnetic (TM) polarization waves. Moreover, the proposed MMA with 15 × 15 unit cells was fabricated and tested. The fabricated MMA performs well in microwave absorption, as demonstrated by the well-matched experimental results with numerical simulations. These extraordinary advantages mentioned above show that this type of MMAs can be applied in the fields of electromagnetic (EM) stealth, optical windows, and energy collection in the future.
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