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Dual-Functional Optical-Transparent Terahertz Metasurface with Tunable Absorption and Polarization Conversion.

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Title: Dual-Functional Optical-Transparent Terahertz Metasurface with Tunable Absorption and Polarization Conversion.
Authors: Li, Lintao1 (AUTHOR), Wen, Jingda2 (AUTHOR), Wen, Yongzheng2 (AUTHOR), Sun, Jingbo2 (AUTHOR), Zhao, Qian3 (AUTHOR) zhaoqian@mail.tsinghua.edu.cn, Li, Bo1,4 (AUTHOR) boli@mail.tsinghua.edu.cn, Zhou, Ji2 (AUTHOR)
Source: Plasmonics. Jun2025, Vol. 20 Issue 6, p3343-3353. 11p.
Subjects: Materials science, Functional integration, Absorption, Possibility
Abstract: Advancements in material science are driving the evolution of metamaterials towards tunability and multifunctionality. This study introduces a novel design methodology for a transparent multifunctional metamaterial that integrates broadband absorption and polarization conversion capabilities, demonstrating its versatility and adaptability. By incorporating a tunable water layer structure, the design allows switching between operational modes under different conditions. When the water layer is filled, the material functions as a broadband absorber, achieving absorption exceeding 90% across the frequency bands of 0.65–1.05 THz, 2.23–2.63 THz, and 3.82–4.32 THz. Conversely, when the water layer is emptied, the material exhibits polarization conversion capabilities, achieving a cross-polarization conversion rate exceeding 90% at the frequencies of 1.06 THz and 3.54 THz. This design demonstrates new possibilities in functional integration and control within metamaterials, offering an efficient, cost-effective, and easily manufacturable solution for practical applications. [ABSTRACT FROM AUTHOR]
Copyright of Plasmonics is the property of Springer Nature 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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  Data: Dual-Functional Optical-Transparent Terahertz Metasurface with Tunable Absorption and Polarization Conversion.
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  Data: <searchLink fieldCode="JN" term="%22Plasmonics%22">Plasmonics</searchLink>. Jun2025, Vol. 20 Issue 6, p3343-3353. 11p.
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  Data: Advancements in material science are driving the evolution of metamaterials towards tunability and multifunctionality. This study introduces a novel design methodology for a transparent multifunctional metamaterial that integrates broadband absorption and polarization conversion capabilities, demonstrating its versatility and adaptability. By incorporating a tunable water layer structure, the design allows switching between operational modes under different conditions. When the water layer is filled, the material functions as a broadband absorber, achieving absorption exceeding 90% across the frequency bands of 0.65–1.05 THz, 2.23–2.63 THz, and 3.82–4.32 THz. Conversely, when the water layer is emptied, the material exhibits polarization conversion capabilities, achieving a cross-polarization conversion rate exceeding 90% at the frequencies of 1.06 THz and 3.54 THz. This design demonstrates new possibilities in functional integration and control within metamaterials, offering an efficient, cost-effective, and easily manufacturable solution for practical applications. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Plasmonics is the property of Springer Nature 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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        Value: 10.1007/s11468-024-02538-4
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              M: 06
              Text: Jun2025
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              Y: 2025
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