Multi-spectral compatible metasurface with low infrared emissivity, independent microwave complex-amplitude control, and high visible transparency

发射率 微波食品加热 红外线的 透明度(行为) 振幅 可见光谱 光学 材料科学 光电子学 物理 计算机科学 计算机安全 量子力学
作者
Juanna Jiang,Ruichao Zhu,Huiting Sun,Yuxiang Jia,Yina Cui,Cuilian Xu,Shaobo Qu,Jiafu Wang
出处
期刊:Optics Letters [Optica Publishing Group]
卷期号:49 (11): 3174-3174
标识
DOI:10.1364/ol.524625
摘要

With the rapid development of communication technology and detection technology, it is difficult for devices operating in a single spectrum to meet the application requirements of device integration and miniaturization, resulting in the exploration of multi-spectrum compatible devices. However, the functional design of different spectra is often contradictory and difficult to be compatible. In this work, a transparent slit circular metasurface with a high filling ratio is proposed to achieve the compatibility of microwave, infrared and visible light. In the microwave, based on the Pancharatnam–Berry phase theory, the continuous amplitude and binary phase can be customized only by rotating the slit angle to achieve an Airy beam function at 8–12 GHz. In the infrared, the mean infrared emissivity is reduced to 0.3 at 3–14 µm by maintaining high conductive filling ratio, and in visible light, based on the transparency of materials, the mean transmittance can achieve 50% at 400–800 nm. All the results can verify the multi-spectral compatibility performance, which can also verify the validity of our design method. Importantly, the multi-spectral compatible metasurface contributes an option for multifunctional integration, which can be further applied in communication, camouflage, and other fields.
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