A double layer FSS filter for sub-THz applications

A double layer FSS filter for sub-THz applications

Abstract This work presents the simulated and measured performance of single- and double-layer frequency selective surface filters for operation at sub-THz frequencies (250 GHz center frequency). They were composed of concentric square loops with a split as a unit cell resonator on top of a low diel...

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Main Authors: A. Ghavidel, M. Kokkonen, S. Myllymäki
Format: Article
Language:English
Published: Nature Publishing Group 2021-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-99256-2
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spelling doaj-46cf66225727458e94d6e1ed51a56ad02021-10-10T11:27:14ZengNature Publishing GroupScientific Reports2045-23222021-10-011111810.1038/s41598-021-99256-2A double layer FSS filter for sub-THz applicationsA. Ghavidel0M. Kokkonen1S. Myllymäki2Microelectronics Research Unit, University of OuluMicroelectronics Research Unit, University of OuluMicroelectronics Research Unit, University of OuluAbstract This work presents the simulated and measured performance of single- and double-layer frequency selective surface filters for operation at sub-THz frequencies (250 GHz center frequency). They were composed of concentric square loops with a split as a unit cell resonator on top of a low dielectric permittivity, low thickness material (RT5880). Both a single layer filter and a cascaded two layer filter with varied distances were investigated. The simulated bandwidth for the cascaded filter was 27 GHz and 16 GHz and 9 GHz bandwidth measured with a THz-TDS and microwave system.https://doi.org/10.1038/s41598-021-99256-2
collection DOAJ
language English
format Article
sources DOAJ
author A. Ghavidel
M. Kokkonen
S. Myllymäki
spellingShingle A. Ghavidel
M. Kokkonen
S. Myllymäki
A double layer FSS filter for sub-THz applications
Scientific Reports
author_facet A. Ghavidel
M. Kokkonen
S. Myllymäki
author_sort A. Ghavidel
title A double layer FSS filter for sub-THz applications
title_short A double layer FSS filter for sub-THz applications
title_full A double layer FSS filter for sub-THz applications
title_fullStr A double layer FSS filter for sub-THz applications
title_full_unstemmed A double layer FSS filter for sub-THz applications
title_sort double layer fss filter for sub-thz applications
publisher Nature Publishing Group
series Scientific Reports
issn 2045-2322
publishDate 2021-10-01
description Abstract This work presents the simulated and measured performance of single- and double-layer frequency selective surface filters for operation at sub-THz frequencies (250 GHz center frequency). They were composed of concentric square loops with a split as a unit cell resonator on top of a low dielectric permittivity, low thickness material (RT5880). Both a single layer filter and a cascaded two layer filter with varied distances were investigated. The simulated bandwidth for the cascaded filter was 27 GHz and 16 GHz and 9 GHz bandwidth measured with a THz-TDS and microwave system.
url https://doi.org/10.1038/s41598-021-99256-2
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AT mkokkonen doublelayerfssfilterforsubthzapplications
AT smyllymaki doublelayerfssfilterforsubthzapplications
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