Research on broadband microwave electromagnetic antireflection effect based on angle-insensitive electromagnetically induced transparent metamaterials

Jiaorong Fan; Shengxiao Jin; Fei Guan; Guofeng Zhou; Wenqiang Li; Tianhao Jia; Chunlei Yang; Xiaosai Zhang; Junjie Chen; Wengang Wu

doi:10.1117/12.2614674

15 February 2022 Research on broadband microwave electromagnetic antireflection effect based on angle-insensitive electromagnetically induced transparent metamaterials

Jiaorong Fan, Shengxiao Jin, Fei Guan, Guofeng Zhou, Wenqiang Li, Tianhao Jia, Chunlei Yang, Xiaosai Zhang, Junjie Chen, Wengang Wu

Author Affiliations +

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 121662B (2022) https://doi.org/10.1117/12.2614674
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

Metamaterials have unlocked a number of unique optical properties for manipulating the electric and magnetic dipole resonances have drawn much attention over the past decades. It has been recognized that a metamaterial could provide a new approach to excite electromagnetic behaviors leading to potential applications in the fields of sensing, energy, and information The low-loss conformal processing integration of multi-band wide-angle electromagnetic antireflection metamaterials, functional layers and radome is a challenging research. In this paper, a high-permeability metamaterial with similar electromagnetically induced transparency (EIT) characteristics is constructed around the metal split ring, and the equivalent dielectric constant and equivalent permeability of the split ring meta-unit are analyzed based on the equivalent medium parameter inversion model. Analyze the regulation mechanism of array structure parameters on electromagnetic characteristics. The research results show that this EIT wave-transmitting material has the characteristics of wide working frequency, high transmission rate, and insensitive to electromagnetic wave incident angle and polarization direction. In view of this, a multi-band broadband electromagnetic antireflection metamaterial with a multi-layer nested coupling structure (open resonant ring-chiral spiral ring-cross symmetrical structural unit) is designed, which is continuous in different polarized electromagnetic waves from 0 degrees to 80 degrees. Large-angle oblique incidence 11GHz, 15GHz, 33Ghz three-band high transmission rate, bandwidth up to 1.3GHz, 1.02GHz and 1.678GHz.

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Jiaorong Fan, Shengxiao Jin, Fei Guan, Guofeng Zhou, Wenqiang Li, Tianhao Jia, Chunlei Yang, Xiaosai Zhang, Junjie Chen, and Wengang Wu "Research on broadband microwave electromagnetic antireflection effect based on angle-insensitive electromagnetically induced transparent metamaterials", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 121662B (15 February 2022); https://doi.org/10.1117/12.2614674

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KEYWORDS

Metamaterials

Transparency

Electromagnetism

Microwave radiation

Dielectrics

Resonators

Antireflective coatings

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