A Wide-Angle and Circularly Polarized Beam-Scanning Antenna Based on Microstrip Spoof Surface Plasmon Polariton Transmission Line

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In this article, a substrate integrated waveguide (SIW) antenna utilizing odd‐mode spoof surface plasmon polariton (SSPP) for broadside radiation is proposed. Double gratings are etched on the top surface of SIW and the SSPP odd‐mode is excited on this hybrid SIW‐SSPP structure. The proposed SIW antenna has open‐circuit termination and can realize broadside radiation. A prototype of the SIW‐based odd‐mode antenna is fabricated. Reasonable accordance is achieved between measured results and simulated results. The antenna impedance bandwidth is about 5.5% (12.4~13.1 GHz) with |S11| < −10 dB. Stable broadside radiation is also realized within the operating band of 12.3~13.3 GHz and the measured gain varies from 5.66 to 6.34 dB in the frequency band. The proposed broadside radiation antenna is suitable for wireless communication systems due to its compact structure and good radiation performances.

Section: Introductionmentioning

confidence: 99%

An SIW antenna utilizing odd‐mode spoof surface plasmon polaritons for broadside radiation

Liu

Yang

Guan

et al. 2020

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“…. Moreover, by utilizing a fast wave SSPP with k < k 0 , leaky‐wave antennas are investigated with scanning radiation beams . Those achievements show promising applications of the SSPP technique for microwave and millimeter‐wave wireless systems.…”

Section: Introductionmentioning

confidence: 99%

A compact leaky‐wave antenna using a planar spoof surface plasmon polariton structure

Hao

Zhang

Zhao

2019

This article presents and validates a leaky‐wave antenna by using the spoof surface plasmon polariton (SSPP) technique. By properly designing the proposed SSPP unit, the SSPP wave can be switched between the confinement and radiation modes. A large radiation efficiency can be achieved by properly designing the modulation depth, which ensures that a compact SSPP leaky‐wave array can be realized by using a small number of SSPP radiation units. To verify the design, a prototype which consists of a SSPP feeding network and a 4 by 4 SSPP radiation units has been fabricated by using a low cost FR‐4 substrate. A good agreement between simulated and measured results has been obtained. The proposed array antenna shows the promising capability of the SSPP technique for leaky‐wave antenna applications.

“…Recently, spoof surface plasmon (SSP) was proposed, which can exhibit similar behaviors to surface plasmon in microwave and millimeter wave bands . Due to high field confinement, low loss, flexible planar structure, and slow‐wave characteristic, SSP has inspired much research interest in the design of microwave and millimeter wave devices, including transmission lines, antennas, and filters . With the upper cutoff frequency, SSP transmission line is a low‐pass filter naturally.…”

Section: Introductionmentioning

confidence: 99%

A broadband filter based on hybrid spoof surface plasmon and half‐mode substrate integrated waveguide structure

Guan

You

Yang

et al. 2018

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In this article, a novel design way of wideband bandpass filter (BPF) is proposed. A hybrid sharing waveguide based on spoof surface plasmon (SSP) and half‐mode substrate integrated waveguide (HMSIW) is developed. With low‐pass feature of SSP and high‐pass feature of HMSIW, the proposed waveguide is a BPF naturally and the filter bandwidth can be controlled by adjusting parameters easily. A filter sample is fabricated for verification and the measured 3‐dB bandwidth is 46%. The proposed new concept of filter design is attractive and can be used to develop different wideband BPFs.