研究目的
To design stacked closed-ring resonator arrays for achieving large spectral shifts with small lateral shifts or dielectric constant changes in the terahertz range, aiming to develop tunable THz active and sensing devices.
研究成果
Stacked closed-ring resonator arrays enable significant resonant frequency shifts with small lateral displacements or dielectric constant changes in the terahertz range, showing potential for dynamic THz modulation and sensing applications, though high fabrication precision is necessary.
研究不足
The study relies on numerical simulations without experimental validation; high precision in fabrication is required due to sensitivity to geometric variations; the approach may be limited by material properties and practical implementation challenges.
1：Experimental Design and Method Selection:
The study used numerical simulations with CST Microwave Studio software based on the finite integration technique (FIT) in the frequency domain to analyze the electromagnetic responses of stacked closed-ring resonator arrays.
2：Sample Selection and Data Sources:
The samples were virtual models of stacked CRR arrays with varying geometric parameters (side length L, width W, etc.) and material properties (dielectric constants).
3：List of Experimental Equipment and Materials:
The primary tool was CST Microwave Studio software; materials included perfect electric conductors (PEC) and dielectric substrates with specified permittivities.
4：Experimental Procedures and Operational Workflow:
Simulations involved setting periodic boundary conditions, vertical electromagnetic wave incidence, and evaluating transmission spectra (|S21|) for different lateral displacements (Δx, Δy) and dielectric constant changes.
5：21|) for different lateral displacements (Δx, Δy) and dielectric constant changes. Data Analysis Methods:
5. Data Analysis Methods: Results were analyzed to observe resonant frequency shifts and transmission characteristics, with comparisons to theoretical models and prior studies.
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