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. |
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| 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] |
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| Database: | Engineering Source |
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