Ultra-Wideband Frequency Selective Surface With Metal Gratings for Polarization Conversion Under Arbitrary Polarized Angles

作者

  • Xueyan Song School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Hua Lu School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Shaochen Yang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • XuPing Li School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Chao Xiong School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • YunQi Zhang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China
  • Xin Wang School of Electronic Engineering Xi’an University of Posts & Telecommunications, Xi’an 710121, China

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https://doi.org/10.13052/2025.ACES.J.401005

关键词:

Grating-via-grating (GVG) module, incidence stability, polarization converter, polarization insensitivity, ultra-wideband

摘要

A frequency selective surface (FSS) with metal gratings (FSSMGs) is proposed for insensitive cross polarization conversion in an ultra-wide bandwidth. To obtain the ultra-wide bandwidth, a multiple-resonance structure of metal gratings are selected as the sub-units. The unit of FSSMGs is composed of four grating-via-grating (GVG) modules. Each GVG module is made up of two layers of vertically arranged metal grids, quasi-wave-guiding structures (metalized vias), and shielded floors. To ensure the FSSMGs convert waves in arbitrary polarization directions, the four GVG modules in the unit are rotationally symmetric arranged. Simulated results show that the cross-polarization transmission coefficient is greater than −1 dB in an ultra-wide band of 8.17–18.5 GHz (77.5%), in which the PCR (polarization conversion ratio) and the ECR (energy conversion ratio) are greater than 90%. Meanwhile, the designed FSSMGs is insensitive for arbitrary polarized angles. In addition, the proposed FSSMGs can operate in the band 8.17–12 GHz (38.0%) and 15–18.5 GHz (20.9%) when the incident angle is less than 45. To verify the simulated results, the proposed FSSMGs was fabricated and measured, and the measured results are in good agreement with the simulated ones.

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Xueyan Song was born in Henan Province, China, in 1989. She received the B.E. degree in 2012 and the Ph.D. degree in 2018 from Xidian University. She joined Xi’an University of Posts and Telecommunications in 2018. Her research interests include metasurface, antennas, and reflector antennas.

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Hua Lu was born in Shaanxi, China, in 1998. He holds the Master of Engineering degree from the School of Electronic Engineering, Xi’an University of Posts and Telecommunications. His current research interests include metasurface and polarization converter.

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Shaochen Yang was born in Shaanxi, China, in 2002. He is currently pursuing a Master of Engineering degree in the School of Electronic Engineering, Xi’an University of Posts and Telecommunications.

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XuPing Li was born in Xi’an, Shanxi, China, in 1981. He received the Ph.D. degree in electromagnetic fields and microwaves from Xidian University, Xi’an, in 2015. In January 2019, he was transferred to Xi’an University of Posts and Telecommunications as leader of the phased array antenna technology research team. His research programs focus on phased array antennas.

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Chao Xiong was born in Jiangxi, China, in 2004. He is currently pursuing B.E. degree in the school of Electronic Engineering, Xian University of Posts and Telecommunications.

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YunQi Zhang was born in BaoTou, Inner Mongolia, China, in 1986. He received the Ph.D. degree from Xidian University in 2015. He is currently working in Xi’an University of Posts & Telecommunications. His research interests include GPS antenna, CP antenna, omnidirectional antenna and antenna array designs.

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Xin Wang received his master’s degree in 2015 from Xidian University, China. Subsequently, he worked at several major communication equipment manufacturers. In 2024, he received his Ph.D. from Xidian University. He is currently employed at Xi’an University of Posts & Telecommunications, with research interests in reconfigurable metasurfaces for active power amplifiers, power amplifiers, and phased array antennas.

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已出版

2025-10-30