Triple-Beam Leaky-Wave Antenna Based on Spoof Surface Plasmon Polaritons with Hybrid Periodic Modulation

Min Wang; Gao Wei; Kangkang Han

doi:10.1109/LAWP.2023.3270453

Triple-Beam Leaky-Wave Antenna Based on Spoof Surface Plasmon Polaritons with Hybrid Periodic Modulation

Min Wang, Gao Wei, Kangkang Han

School of Electronics and Information

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In this letter, a triple-beam leaky-wave antenna (LWA) based on modulated spoof surface plasmon polaritons transmission line (TL) with hybrid period is presented. The one side of SSPPs TL is modulated sinusoidally with period of P1, and another side is modulated with composite period of P2 and P3. The analysis of dispersion curves indicates that the modulated periods at each side of the TL is independent and hence the radiation beams can be controlled independently by adjusting the modulation periods. In this design, the LWA radiates three beams simultaneously. From 7.8 to 9.1 GHz, the gain difference of beams is lower than 3 dB, which have cover range from 49° to 149°. To validate the performance of the designed LWA, a prototype is fabricated and measured. The measured results are in good agreement with the simulated ones.

Original language	English
Pages (from-to)	1957-1961
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	22
Issue number	8
DOIs	https://doi.org/10.1109/LAWP.2023.3270453
State	Published - 1 Aug 2023

Keywords

Composite periodic modulation
leaky-wave antenna (LWA)
sinusoidally modulation reactance surface (SMRS)
spoof surface plasmon polaritons (SSPPs)
triple-beam

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10.1109/LAWP.2023.3270453

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title = "Triple-Beam Leaky-Wave Antenna Based on Spoof Surface Plasmon Polaritons with Hybrid Periodic Modulation",

abstract = "In this letter, a triple-beam leaky-wave antenna (LWA) based on modulated spoof surface plasmon polaritons transmission line (TL) with hybrid period is presented. The one side of SSPPs TL is modulated sinusoidally with period of P1, and another side is modulated with composite period of P2 and P3. The analysis of dispersion curves indicates that the modulated periods at each side of the TL is independent and hence the radiation beams can be controlled independently by adjusting the modulation periods. In this design, the LWA radiates three beams simultaneously. From 7.8 to 9.1 GHz, the gain difference of beams is lower than 3 dB, which have cover range from 49° to 149°. To validate the performance of the designed LWA, a prototype is fabricated and measured. The measured results are in good agreement with the simulated ones.",

keywords = "Composite periodic modulation, leaky-wave antenna (LWA), sinusoidally modulation reactance surface (SMRS), spoof surface plasmon polaritons (SSPPs), triple-beam",

author = "Min Wang and Gao Wei and Kangkang Han",

note = "Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2023",

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doi = "10.1109/LAWP.2023.3270453",

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AU - Wei, Gao

AU - Han, Kangkang

PY - 2023/8/1

Y1 - 2023/8/1

N2 - In this letter, a triple-beam leaky-wave antenna (LWA) based on modulated spoof surface plasmon polaritons transmission line (TL) with hybrid period is presented. The one side of SSPPs TL is modulated sinusoidally with period of P1, and another side is modulated with composite period of P2 and P3. The analysis of dispersion curves indicates that the modulated periods at each side of the TL is independent and hence the radiation beams can be controlled independently by adjusting the modulation periods. In this design, the LWA radiates three beams simultaneously. From 7.8 to 9.1 GHz, the gain difference of beams is lower than 3 dB, which have cover range from 49° to 149°. To validate the performance of the designed LWA, a prototype is fabricated and measured. The measured results are in good agreement with the simulated ones.

AB - In this letter, a triple-beam leaky-wave antenna (LWA) based on modulated spoof surface plasmon polaritons transmission line (TL) with hybrid period is presented. The one side of SSPPs TL is modulated sinusoidally with period of P1, and another side is modulated with composite period of P2 and P3. The analysis of dispersion curves indicates that the modulated periods at each side of the TL is independent and hence the radiation beams can be controlled independently by adjusting the modulation periods. In this design, the LWA radiates three beams simultaneously. From 7.8 to 9.1 GHz, the gain difference of beams is lower than 3 dB, which have cover range from 49° to 149°. To validate the performance of the designed LWA, a prototype is fabricated and measured. The measured results are in good agreement with the simulated ones.

KW - Composite periodic modulation

KW - leaky-wave antenna (LWA)

KW - sinusoidally modulation reactance surface (SMRS)

KW - spoof surface plasmon polaritons (SSPPs)

KW - triple-beam

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Triple-Beam Leaky-Wave Antenna Based on Spoof Surface Plasmon Polaritons with Hybrid Periodic Modulation

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Keywords

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