Demonstration of a planar multimodal periodic filter at THz frequencies
Fuente:
arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911544700305408 |
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| author | Dehghanian, Ali Haghighat, Mohsen Darcie, Thomas Smith, Levi |
| author_facet | Dehghanian, Ali Haghighat, Mohsen Darcie, Thomas Smith, Levi |
| contents | This paper presents a planar multimodal periodic filter that is constructed from alternating sections of coplanar stripline and the odd-mode of a finite-ground plane coplanar waveguide constructed on a 1 um silicon nitride substrate to facilitate operation at THz frequencies. The multimode configuration differs from standard single-mode periodic filters and enables flexible designs and the possibility for active control of the filter characteristics. For this proof-of-concept, we present the relevant theory and design procedures required to develop a band-stop filter that has a center frequency of fc = 0.8 THz and a bandwidth of df = 0.07 THz. We find good agreement between theory, simulation, and experiment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_10611 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Demonstration of a planar multimodal periodic filter at THz frequencies Dehghanian, Ali Haghighat, Mohsen Darcie, Thomas Smith, Levi Applied Physics Systems and Control This paper presents a planar multimodal periodic filter that is constructed from alternating sections of coplanar stripline and the odd-mode of a finite-ground plane coplanar waveguide constructed on a 1 um silicon nitride substrate to facilitate operation at THz frequencies. The multimode configuration differs from standard single-mode periodic filters and enables flexible designs and the possibility for active control of the filter characteristics. For this proof-of-concept, we present the relevant theory and design procedures required to develop a band-stop filter that has a center frequency of fc = 0.8 THz and a bandwidth of df = 0.07 THz. We find good agreement between theory, simulation, and experiment. |
| title | Demonstration of a planar multimodal periodic filter at THz frequencies |
| topic | Applied Physics Systems and Control |
| url | https://arxiv.org/abs/2502.10611 |