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<p>In this study, we explored a square-ring microstrip antenna operating on both isotropic and anisotropic substrates, in both conductor and superconductor states, using an enhanced cavity model. We examined various parameters, including slots, patch thickness, dielectric permittivity, and temperature, and their impact on the resonant frequency and surface impedance components. The results indicated a low resonant frequency due to the removal of part of the central patch. It was also observed that critical temperature significantly impacts the resonant frequency, resulting in a sharp reduction. Additionally, the effect of patch thickness on both surface resistance and reactance showed a decrease in both parameters. These findings reveal that reducing energy loss led to an increase in resonant frequency and improved antenna performance. These results are beneficial in various ways, including enhancing our antenna’s performance while maintaining the compact size of the geometrical structure.</p>

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Design a compact square-ring antenna using a thin film of HTS materials

  • 期刊论文

  • 发表日期：

    2025年6月19日

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  • Mohamed Bedra,
  • Sami Bedra,
  • Djemai Arar,
  • Djamel Benatia,
  • Tarek Fortaki,
  • Akram Bediaf

摘要

In this study, we explored a square-ring microstrip antenna operating on both isotropic and anisotropic substrates, in both conductor and superconductor states, using an enhanced cavity model. We examined various parameters, including slots, patch thickness, dielectric permittivity, and temperature, and their impact on the resonant frequency and surface impedance components. The results indicated a low resonant frequency due to the removal of part of the central patch. It was also observed that critical temperature significantly impacts the resonant frequency, resulting in a sharp reduction. Additionally, the effect of patch thickness on both surface resistance and reactance showed a decrease in both parameters. These findings reveal that reducing energy loss led to an increase in resonant frequency and improved antenna performance. These results are beneficial in various ways, including enhancing our antenna’s performance while maintaining the compact size of the geometrical structure.