volume | PIER Journals

2023-10-08

Modeling and Design of CPW Spoof Surface Plasmon Polariton with Reduced Transversal Width

Rui-Feng Cao,

Dr. Rui-Feng Cao

School of Information Science and Engineering

Zhejiang Sci-Tech University

China

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Lin Li

Dr. Lin Li

Zhejiang Sci-Tech University

China

Homepage

Progress In Electromagnetics Research Letters, Vol. 113, 1-6, 2023

doi:10.2528/PIERL23061205

Abstract

In this paper, equivalent circuit models are first presented for characterizing the CPW SSPPs with etched slot. The asymptotic frequency and dispersion are investigated based on the theoretical model. And the analyses reveal that both the asymptotic frequency and dispersion curve can be manipulated by changing the inductance brought by the etched slots and the capacitance of the loaded capacitors. To validate the propagation performance, the proposed SSPP structure was fabricated and tested. The experimental results are consistent with the theoretical analysis, indicating that the designed SSPP structure possesses excellent low-pass filtering characteristics. Compared with traditional SSPP structures, the proposed structure exhibits a much narrower transversal width and does not require mode-conversion structures.

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Rui-Feng Cao, and Lin Li, "Modeling and Design of CPW Spoof Surface Plasmon Polariton with Reduced Transversal Width," Progress In Electromagnetics Research Letters, Vol. 113, 1-6, 2023.
doi:10.2528/PIERL23061205

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