Reconfigurable Dual-Beam Lensing Utilizing an EBG-Based Anisotropic Impedance Surface

Ahmed, Asif; Robel, Md. Rokunuzzaman; Rowe, Wayne S. T.

doi:10.1109/tmtt.2019.2947477

IEEE Trans. Microwave Theory Techn.

2020

DOI: 10.1109/tmtt.2019.2947477

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Reconfigurable Dual-Beam Lensing Utilizing an EBG-Based Anisotropic Impedance Surface

Asif Ahmed

Md. Rokunuzzaman Robel

Wayne S. T. Rowe

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Cited by 4 publications

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Research on the element structure and surface current distribution of metasurface based on characteristic mode analysis

Ni,

Xie,

Zhang

2023

Journal of Applied Physics

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Scientific research has shown that the geometric structure of the metasurface has a significant impact on its ability to control the propagation of electromagnetic waves. The control of surface current can be achieved by designing the shape of the metasurface unit cell. In this paper, the traditional metasurface is studied using characteristic mode analysis, and a modified metasurface is proposed, which consists of 4 × 4 hexagonal rings with an asymmetric concave interior. The modified metasurface controls the distribution of surface current by increasing the path of surface current, thus lowering the frequency of modal significance. In addition, due to the special asymmetric concave interior, the frequency difference of different modal currents increases, leading to the expansion of the operating bandwidth of modal currents. A metasurface antenna is fabricated and measured for proof of concept. With a size of 0.69λL × 0.69λL × 0.06λL (λL is the wavelength in free space at the lowest operating frequency), the designed antenna achieves a −10 dB impedance band of 40%, 3 dB axial ratio band of 19.4%, and boresight gain of 8 dBi.

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Research on the element structure and surface current distribution of metasurface based on characteristic mode analysis

Ni,

Xie,

Zhang

2023

Journal of Applied Physics

View full text Add to dashboard Cite

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Ultrathin Single-Substrate Pancharatnam–Berry Phase Metasurface With High Transmission Efficiency

Ding,

Chen,

Luo

et al. 2023

IEEE Trans. Antennas Propagat.

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Broadband High-Efficiency Ultrathin Metasurfaces With Simultaneous Independent Control of Transmission and Reflection Amplitudes and Phases

Wang

Chen

et al. 2022

IEEE Trans. Microwave Theory Techn.

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Reconfigurable Dual-Beam Lensing Utilizing an EBG-Based Anisotropic Impedance Surface

Cited by 4 publications

References 57 publications

Research on the element structure and surface current distribution of metasurface based on characteristic mode analysis

Research on the element structure and surface current distribution of metasurface based on characteristic mode analysis

Ultrathin Single-Substrate Pancharatnam–Berry Phase Metasurface With High Transmission Efficiency

Broadband High-Efficiency Ultrathin Metasurfaces With Simultaneous Independent Control of Transmission and Reflection Amplitudes and Phases

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