Transparent and flexible metamaterials with low infrared radiation and wide-angle ultra-broadband microwave absorption

Weibin Zhang; Cuilian Xu; Qi Fan; Jiafu Wang; Shaobo Qu

doi:10.1117/12.2639247

29 April 2022 Transparent and flexible metamaterials with low infrared radiation and wide-angle ultra-broadband microwave absorption

Weibin Zhang, Cuilian Xu, Qi Fan, Jiafu Wang, Shaobo Qu

Author Affiliations +

Proceedings Volume 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022); 122550B (2022) https://doi.org/10.1117/12.2639247
Event: 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 2022, Chongqing, China

Abstract

In recent years, the research on radar and infrared compatible stealth has attracted much attention. In this paper, metamaterials are designed by means of theoretical calculation and modeling simulation. The entire structure consists of an infrared shielding layer (IRSL), a radar absorbing layer (RAL) and a backplane. The simulation results show that when the angle between the incident microwave and the normal of the metamaterial is in the range of 0-40°, the average absorption rate of the structure in the 7-27 GHz band is relatively stable and reaches more than 90%. In the infrared band, the emissivity of the structure is lower than 0.28 and 0.32 at 3-5 μm and 8-14 μm, respectively. In addition, through the rational design of structure and materials, the metamaterial not only achieves dual stealth functions of low infrared emission and broad microwave absorption, but also has high transparency and flexibility, providing a new method for the study of multi-band stealth materials.

Citation Download Citation

Weibin Zhang, Cuilian Xu, Qi Fan, Jiafu Wang, and Shaobo Qu "Transparent and flexible metamaterials with low infrared radiation and wide-angle ultra-broadband microwave absorption", Proc. SPIE 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 122550B (29 April 2022); https://doi.org/10.1117/12.2639247

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KEYWORDS

Infrared radiation

Microwave radiation

Absorption

Metamaterials

Radar

Positron emission tomography

Transmittance

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