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Leaky Wave Antenna Based on Periodically Truncated SSPP Waveguide

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Abstract

The guided waveguide structures based on surface plasmons can be used to miniaturize microwave devices. By simply introducing a series of periodic truncation slits in the SSPP (spoof surface plasmon polariton) waveguide, three frequency regions, namely radiating spatial wave region, guiding SSPP mode region, and the cut-off region, are formed. In the frequency region of radiation, the SSPP mode can be transitioned to spatial wave. Consequently, double-port leaky wave antenna based on SSPP waveguide is realized with beam sweep function. Furthermore, a single-port antenna is demonstrated by symmetrical halving of the dual-port antenna. The half-sized single-port antenna exhibits beam steering capability and improved directivity. The proposed SSPP leakage antenna can be applied to the fifth-generation (5G) mobile communication systems.

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Funding

This work was supported in part by the Natural Science Foundation of Fujian Province of China (No. 2019J01045) and in part by the Open Fund of the State Key Laboratory of Integrated Optoelectronics, Jilin University (No. IOSKL2017KF02).

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Authors and Affiliations

  1. Department of Electronic Engineering, Xiamen University, Xiamen, 361005, People’s Republic of China

    Weiwen Li, Zhaozhao Qin, Yu Wang, Liangcai Zhang & Baoping Zhang

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  1. Bocong Ren
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  2. Weiwen Li
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  3. Zhaozhao Qin
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  4. Yu Wang
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  5. Liangcai Zhang
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  6. Baoping Zhang
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Correspondence to Weiwen Li.

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Ren, B., Li, W., Qin, Z. et al. Leaky Wave Antenna Based on Periodically Truncated SSPP Waveguide. Plasmonics 15, 551–558 (2020). https://doi.org/10.1007/s11468-019-01081-x

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  • DOI: https://doi.org/10.1007/s11468-019-01081-x

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