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Design of a Single Layer Substrate and Via-Free Transmit-Reflect Array Antenna Based on Metasurface.

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Title: Design of a Single Layer Substrate and Via-Free Transmit-Reflect Array Antenna Based on Metasurface.
Authors: Chen, Xinwei, Zhao, Xinmiao, Su, Jinrong, Han, Guorui, Ma, Runbo, Li, Li lili@sxu.edu.cn
Source: Progress in Electromagnetics Research Letters. 2026, Vol. 130, p44-51. 8p.
Subjects: Reflectarray antennas, Antennas (Electronics), Frequency selective surfaces, Resonators, Vector beams, Phase modulation, Substrates (Materials science)
Abstract: In this study, a single-layer substrate and via-free transmit-reflect-array antenna based on a metasurface is proposed. The array antenna comprises transmissive and reflective unit cells arranged alternately in sequence. To achieve a 360° phase coverage, two sets of antisymmetric U-shaped lines were etched on the top and bottom layers of the substrate to form the transmissive unit cells, and multi-layer stacking and vias are avoided. Moreover, by adjusting the lengths of a split-ring structure with phase delay lines for reflective unit cells, a 360° phase coverage was achieved. The measurement results demonstrated that the antenna simultaneously generates a reflective focused beam with a peak gain of 20.8 dBi and a transmissive +1-mode OAM vortex beam with a peak gain of 20 dBi and a mode purity of 90 % at 17 GHz. [ABSTRACT FROM AUTHOR]
Copyright of Progress in Electromagnetics Research Letters is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Design of a Single Layer Substrate and Via-Free Transmit-Reflect Array Antenna Based on Metasurface.
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Xinwei%22">Chen, Xinwei</searchLink><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Xinmiao%22">Zhao, Xinmiao</searchLink><br /><searchLink fieldCode="AR" term="%22Su%2C+Jinrong%22">Su, Jinrong</searchLink><br /><searchLink fieldCode="AR" term="%22Han%2C+Guorui%22">Han, Guorui</searchLink><br /><searchLink fieldCode="AR" term="%22Ma%2C+Runbo%22">Ma, Runbo</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Li%22">Li, Li</searchLink><i> lili@sxu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Progress+in+Electromagnetics+Research+Letters%22">Progress in Electromagnetics Research Letters</searchLink>. 2026, Vol. 130, p44-51. 8p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Reflectarray+antennas%22">Reflectarray antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Antennas+%28Electronics%29%22">Antennas (Electronics)</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency+selective+surfaces%22">Frequency selective surfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Resonators%22">Resonators</searchLink><br /><searchLink fieldCode="DE" term="%22Vector+beams%22">Vector beams</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+modulation%22">Phase modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Substrates+%28Materials+science%29%22">Substrates (Materials science)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this study, a single-layer substrate and via-free transmit-reflect-array antenna based on a metasurface is proposed. The array antenna comprises transmissive and reflective unit cells arranged alternately in sequence. To achieve a 360° phase coverage, two sets of antisymmetric U-shaped lines were etched on the top and bottom layers of the substrate to form the transmissive unit cells, and multi-layer stacking and vias are avoided. Moreover, by adjusting the lengths of a split-ring structure with phase delay lines for reflective unit cells, a 360° phase coverage was achieved. The measurement results demonstrated that the antenna simultaneously generates a reflective focused beam with a peak gain of 20.8 dBi and a transmissive +1-mode OAM vortex beam with a peak gain of 20 dBi and a mode purity of 90 % at 17 GHz. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Progress in Electromagnetics Research Letters is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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    Identifiers:
      – Type: doi
        Value: 10.2528/PIERL26030411
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 8
        StartPage: 44
    Subjects:
      – SubjectFull: Reflectarray antennas
        Type: general
      – SubjectFull: Antennas (Electronics)
        Type: general
      – SubjectFull: Frequency selective surfaces
        Type: general
      – SubjectFull: Resonators
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      – SubjectFull: Vector beams
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      – SubjectFull: Phase modulation
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      – SubjectFull: Substrates (Materials science)
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      – TitleFull: Design of a Single Layer Substrate and Via-Free Transmit-Reflect Array Antenna Based on Metasurface.
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            NameFull: Chen, Xinwei
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            NameFull: Zhao, Xinmiao
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            NameFull: Su, Jinrong
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            NameFull: Han, Guorui
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            NameFull: Ma, Runbo
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            – D: 01
              M: 03
              Text: 2026
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              Y: 2026
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