Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap
We report theoretical investigations on the spectral behavior of two fractal metasurfaces, performed in the 3–6 THz frequency window (5–10 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-...
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MDPI AG
2022-08-01
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| Online Access: | https://www.mdpi.com/1996-1944/15/17/5944 |
| _version_ | 1797494593990688768 |
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| author | Ana Bărar Octavian Dănilă |
| author_facet | Ana Bărar Octavian Dănilă |
| author_sort | Ana Bărar |
| collection | DOAJ |
| description | We report theoretical investigations on the spectral behavior of two fractal metasurfaces, performed in the 3–6 THz frequency window (5–10 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">μ</mi></semantics></math></inline-formula>m equivalent wavelength window), under illumination with both linear and circular polarization state fields. Both metasurfaces stem from the same tree-like structure, based on C-shaped elements, made of cadmium telluride (CdTe), and deposited on silicon carbide (SiC) substrates, the main difference between them being the level of structural complexity. The simulated spectral behavior of both structures indicates the tunability of the reflection spectrum by varying the complexity of the tree-like structure. |
| first_indexed | 2024-03-10T01:36:34Z |
| format | Article |
| id | doaj.art-90c85f21f0c1407e88e33fa978656d59 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T01:36:34Z |
| publishDate | 2022-08-01 |
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| record_format | Article |
| series | Materials |
| spelling | doaj.art-90c85f21f0c1407e88e33fa978656d592023-11-23T13:32:51ZengMDPI AGMaterials1996-19442022-08-011517594410.3390/ma15175944Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz BandgapAna Bărar0Octavian Dănilă1Electronic Technology and Reliability Department, University Politehnica of Bucharest, 060042 Bucharest, RomaniaPhysics Department, University Politehnica of Bucharest, 060042 Bucharest, RomaniaWe report theoretical investigations on the spectral behavior of two fractal metasurfaces, performed in the 3–6 THz frequency window (5–10 <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="sans-serif">μ</mi></semantics></math></inline-formula>m equivalent wavelength window), under illumination with both linear and circular polarization state fields. Both metasurfaces stem from the same tree-like structure, based on C-shaped elements, made of cadmium telluride (CdTe), and deposited on silicon carbide (SiC) substrates, the main difference between them being the level of structural complexity. The simulated spectral behavior of both structures indicates the tunability of the reflection spectrum by varying the complexity of the tree-like structure.https://www.mdpi.com/1996-1944/15/17/5944fractal metasurfacesterahertz bandgapfrequency selective surfaces |
| spellingShingle | Ana Bărar Octavian Dănilă Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap Materials fractal metasurfaces terahertz bandgap frequency selective surfaces |
| title | Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap |
| title_full | Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap |
| title_fullStr | Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap |
| title_full_unstemmed | Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap |
| title_short | Spectral Response and Wavefront Control of a C-Shaped Fractal Cadmium Telluride/Silicon Carbide Metasurface in the THz Bandgap |
| title_sort | spectral response and wavefront control of a c shaped fractal cadmium telluride silicon carbide metasurface in the thz bandgap |
| topic | fractal metasurfaces terahertz bandgap frequency selective surfaces |
| url | https://www.mdpi.com/1996-1944/15/17/5944 |
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