Startseite High gain and high-efficiency compact resonator antennas based on spoof surface plasmon polaritons
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High gain and high-efficiency compact resonator antennas based on spoof surface plasmon polaritons

  • Dou Tian EMAIL logo , Amin Kianinejad , Jiafu Wang , Chen Guo und Anxue Zhang
Veröffentlicht/Copyright: 15. Februar 2024
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Abstract

We proposed a high gain high-efficiency compact metallic resonator antenna operating at even-mode meander line spoof surface plasmon polaritons (MLSSPPs). The high radiation efficiency is caused by the bulk of fields crowded in lossless air near the antenna rather than in lossy dielectric as in conventional dielectric resonator antennas (DRAs). The proposed antenna also exhibits compact size because of its high effective refractive index. A reliable equivalent circuit model is proposed for the design of the resonator antenna with basic mode of half wavelength resonant mode. As an example, a meander-line SSPP antenna is designed, fabricated and measured. Both the simulated and measured results show the advantages of high efficiency and compact volume. In addition, the antenna achieves higher gain and wider relative bandwidth per wavelength cube volume compared with its counterparts. This method provides a good alternative for designing DRAs.


Corresponding author: Dou Tian, School of Information Engineering, Chang’an University, Xi’an, 710064, China, E-mail:

Funding source: The Natural Science Foundation of Shanxi Province

Award Identifier / Grant number: 2022JQ-589

Funding source: Fundamental Research Funds for the Central Universities

Award Identifier / Grant number: 300102241302

  1. Research ethics: The research described in this article adheres to all applicable ethical guidelines and was conducted in accordance with the principles of the Department of Information Engineering, Chang’an univerdity.

  2. Author contributions: The author(s) have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The author(s) state(s) no conflict of interest.

  4. Research funding: The Natural Science Foundation of Shanxi Province under Grants 2022JQ-589 and the Fundamental Research Funds for the Central Universities under Grants 300102241302.

  5. Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2023-06-09
Accepted: 2024-01-09
Published Online: 2024-02-15
Published in Print: 2024-06-25

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