Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation
This article introduces a new terahertz metasurface based on a modified Jerusalem cross. The geometry of the basic structural element is modified, depending on its position in the matrix. The dimension change varies linearly in both orthogonal x and y directions, allowing for smooth resonant frequen...
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| Format: | Article |
| Language: | English |
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De Gruyter
2025-02-01
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| Series: | Open Engineering |
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| Online Access: | https://doi.org/10.1515/eng-2024-0095 |
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| author | Lopato Przemyslaw Herbko Michal Psuj Grzegorz Kovacs Andras Mescheder Ulrich |
| author_facet | Lopato Przemyslaw Herbko Michal Psuj Grzegorz Kovacs Andras Mescheder Ulrich |
| author_sort | Lopato Przemyslaw |
| collection | DOAJ |
| description | This article introduces a new terahertz metasurface based on a modified Jerusalem cross. The geometry of the basic structural element is modified, depending on its position in the matrix. The dimension change varies linearly in both orthogonal x and y directions, allowing for smooth resonant frequency tuning as a function of matrix position. The proposed layout enables the tuning of the resonant frequency within the range of 0.44–1.24 THz. The proposed structure consists of three layers: silicon, thin film silicon dioxide, and thin film aluminum. A numerical analysis is performed for the designed metasurface, followed by microtechnology-based fabrication and experimental validation of optimized terahertz metasurfaces. Good agreement of simulated and measured results is obtained. The proposed tunable structure may apply to the evaluation of thin dielectric films. |
| format | Article |
| id | doaj-art-ed218991af4342ba8ac9be46bcabed92 |
| institution | DOAJ |
| issn | 2391-5439 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Open Engineering |
| spelling | doaj-art-ed218991af4342ba8ac9be46bcabed922025-08-20T02:45:04ZengDe GruyterOpen Engineering2391-54392025-02-011519622410.1515/eng-2024-0095Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluationLopato Przemyslaw0Herbko Michal1Psuj Grzegorz2Kovacs Andras3Mescheder Ulrich4Center for Electromagnetic Fields Engineering and High-Frequency Techniques (CEFE&HFT), Faculty of Electrical Engineering, West Pomeranian University of Technology in Szczecin, Sikorskiego 37, 70-313, Szczecin, PolandCenter for Electromagnetic Fields Engineering and High-Frequency Techniques (CEFE&HFT), Faculty of Electrical Engineering, West Pomeranian University of Technology in Szczecin, Sikorskiego 37, 70-313, Szczecin, PolandCenter for Electromagnetic Fields Engineering and High-Frequency Techniques (CEFE&HFT), Faculty of Electrical Engineering, West Pomeranian University of Technology in Szczecin, Sikorskiego 37, 70-313, Szczecin, PolandInstitute for Microsystems Technology (iMST), Faculty of Mechanical & Medical Engineering, Furtwangen University, Robert Gerwig-Platz 1, 78120, Furtwangen im Schwarzwald, GermanyInstitute for Microsystems Technology (iMST), Faculty of Mechanical & Medical Engineering, Furtwangen University, Robert Gerwig-Platz 1, 78120, Furtwangen im Schwarzwald, GermanyThis article introduces a new terahertz metasurface based on a modified Jerusalem cross. The geometry of the basic structural element is modified, depending on its position in the matrix. The dimension change varies linearly in both orthogonal x and y directions, allowing for smooth resonant frequency tuning as a function of matrix position. The proposed layout enables the tuning of the resonant frequency within the range of 0.44–1.24 THz. The proposed structure consists of three layers: silicon, thin film silicon dioxide, and thin film aluminum. A numerical analysis is performed for the designed metasurface, followed by microtechnology-based fabrication and experimental validation of optimized terahertz metasurfaces. Good agreement of simulated and measured results is obtained. The proposed tunable structure may apply to the evaluation of thin dielectric films.https://doi.org/10.1515/eng-2024-0095metasurfacesjerusalem crossterahertz devicesnondestructive evaluationtunable deviceselectromagnetic waves |
| spellingShingle | Lopato Przemyslaw Herbko Michal Psuj Grzegorz Kovacs Andras Mescheder Ulrich Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation Open Engineering metasurfaces jerusalem cross terahertz devices nondestructive evaluation tunable devices electromagnetic waves |
| title | Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation |
| title_full | Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation |
| title_fullStr | Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation |
| title_full_unstemmed | Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation |
| title_short | Tunable terahertz metasurface based on a modified Jerusalem cross for thin dielectric film evaluation |
| title_sort | tunable terahertz metasurface based on a modified jerusalem cross for thin dielectric film evaluation |
| topic | metasurfaces jerusalem cross terahertz devices nondestructive evaluation tunable devices electromagnetic waves |
| url | https://doi.org/10.1515/eng-2024-0095 |
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