研究目的
To analyze the input impedance and radiation efficiency of graphene-based plasmonic nano-antenna (GPNA) using the theory of characteristic mode (CM).
研究成果
The resonance performance analysis on graphene-based plasmonic nano-antenna has been presented based on the theory of characteristic modes. It has been shown that the input impedance and radiation efficiency of the GPNA can be predicted accurately using the characteristic modes approach. The results provide insightful information for the future GPNA design and optimization.
研究不足
The study is limited to a specific geometry of GPNA and may require extension to other geometries for broader applicability.
1：Experimental Design and Method Selection:
The study utilizes the theory of characteristic modes (CM) to analyze the input impedance and radiation efficiency of GPNA.
2：Sample Selection and Data Sources:
A graphene bowtie patch with two fractal apertures is used as the sample.
3：List of Experimental Equipment and Materials:
FEKO for MoM impedance matrix calculation, CST microwave studio for extinction cross section calculation, and an in-house Matlab code for GEP solving and post-processing.
4：Experimental Procedures and Operational Workflow:
The impedance matrix is obtained for the GPNA using FEKO. The characteristic modes are then calculated by solving the generalized eigenvalue problem (GEP) of the impedance matrix.
5：Data Analysis Methods:
The input impedance and radiation efficiency are analyzed based on the characteristic modes approach.
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