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Micromachines
Volume 16
Issue 11
10.3390/mi16111240
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics

by
Shi Kong
1,2,
Yifei Zhang
1,2,*,
Ziheng Fu
3 and
Rui Yang
3,*
1
China Airborne Missile Academy, Luoyang 471009, China
2
National Key Laboratory of Air-Based Information Perception and Fusion, Luoyang 471009, China
3
National Key Laboratory of Radar Detection and Sensing, School of Electronic Engineering, Xidian University, Xi’an 710071, China
*
Authors to whom correspondence should be addressed.
Micromachines 2025, 16(11), 1240; https://doi.org/10.3390/mi16111240
Submission received: 10 October 2025 / Revised: 24 October 2025 / Accepted: 29 October 2025 / Published: 30 October 2025
Review Reports Versions Notes

Abstract

We propose a linear polarization rotator metasurface composed of a grounded array of L-shaped corner-embraced patches. Both simulation and experimental results confirm that the metasurface achieves a polarization conversion ratio exceeding 90% across four distinct frequency bands: 5.7–6.2 GHz, 7.0–8.7 GHz, 11.2–13.9 GHz, and 16.7–18.0 GHz, with near-unity conversion efficiency at four resonance points. Furthermore, the metasurface demonstrates effective polarization conversion over an ultra-wide frequency range from 5.5 to 18.1 GHz. The combination of multiband and broadband characteristics makes this design highly valuable for advanced applications in complex electromagnetic environments, including multifunctional radar systems requiring multiband capabilities and wireless communication systems demanding ultra-wideband performance.
Keywords: metasurface; polarization conversion; multi-band; broadband metasurface; polarization conversion; multi-band; broadband

Share and Cite

MDPI and ACS Style

Kong, S.; Zhang, Y.; Fu, Z.; Yang, R. Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics. Micromachines 2025, 16, 1240. https://doi.org/10.3390/mi16111240

AMA Style

Kong S, Zhang Y, Fu Z, Yang R. Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics. Micromachines. 2025; 16(11):1240. https://doi.org/10.3390/mi16111240

Chicago/Turabian Style

Kong, Shi, Yifei Zhang, Ziheng Fu, and Rui Yang. 2025. "Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics" Micromachines 16, no. 11: 1240. https://doi.org/10.3390/mi16111240

APA Style

Kong, S., Zhang, Y., Fu, Z., & Yang, R. (2025). Grounded L-Shaped Corner-Embraced Patch Array Polarization Conversion Metasurface Compatible with Multiband and Broadband Characteristics. Micromachines, 16(11), 1240. https://doi.org/10.3390/mi16111240

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