Design of frequency selective surface based on Minkowski fractal and interdigital capacitance

Design of frequency selective surface based on Minkowski fractal and interdigital capacitance

Abstract In this paper, the Minkowski fractal is used to design the geometry of a frequency selective surface (FSS) unit cell, which resembles the shapes found in nature. The proposed FSS unit cell has both angular and polarization stabilities of incident wave. For the miniaturization of FSS and dec...

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Autores principales: Amir Khajevandi, Homayoon Oraizi
Formato: article
Lenguaje:EN
Publicado: Wiley 2021
Materias:
Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Acceso en línea:https://doaj.org/article/dedd105eb91148dcb47d11fa4c5da61b
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spelling oai:doaj.org-article:dedd105eb91148dcb47d11fa4c5da61b2021-12-03T08:34:31ZDesign of frequency selective surface based on Minkowski fractal and interdigital capacitance1350-911X0013-519410.1049/ell2.12330https://doaj.org/article/dedd105eb91148dcb47d11fa4c5da61b2021-12-01T00:00:00Zhttps://doi.org/10.1049/ell2.12330https://doaj.org/toc/0013-5194https://doaj.org/toc/1350-911XAbstract In this paper, the Minkowski fractal is used to design the geometry of a frequency selective surface (FSS) unit cell, which resembles the shapes found in nature. The proposed FSS unit cell has both angular and polarization stabilities of incident wave. For the miniaturization of FSS and decrease of resonance frequency, interdigital capacitances (IDCs) are devised in the FSS structure, which do not eliminate angular and polarization stabilities. The dimensions of the unit cell are 5 mm × 5 mm and miniaturized 0.095λ0×0.095λ0. The resonance frequency is specified as 5.75 GHz with 155 MHz bandwidth. An equivalent circuit is derived for the unit cell to evaluate its frequency responses. The effects of variations of the geometrical dimensions of the FSS unit cell on its performance are studied. A prototype model of proposed FSS is fabricated and measured. The performance of its full‐wave computer simulation results and measured data are compared and are shown to be in good agreement.Amir KhajevandiHomayoon OraiziWileyarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENElectronics Letters, Vol 57, Iss 25, Pp 957-960 (2021)
institution DOAJ
collection DOAJ
language EN
topic Electrical engineering. Electronics. Nuclear engineering
TK1-9971
spellingShingle Electrical engineering. Electronics. Nuclear engineering
TK1-9971
Amir Khajevandi
Homayoon Oraizi
Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
description Abstract In this paper, the Minkowski fractal is used to design the geometry of a frequency selective surface (FSS) unit cell, which resembles the shapes found in nature. The proposed FSS unit cell has both angular and polarization stabilities of incident wave. For the miniaturization of FSS and decrease of resonance frequency, interdigital capacitances (IDCs) are devised in the FSS structure, which do not eliminate angular and polarization stabilities. The dimensions of the unit cell are 5 mm × 5 mm and miniaturized 0.095λ0×0.095λ0. The resonance frequency is specified as 5.75 GHz with 155 MHz bandwidth. An equivalent circuit is derived for the unit cell to evaluate its frequency responses. The effects of variations of the geometrical dimensions of the FSS unit cell on its performance are studied. A prototype model of proposed FSS is fabricated and measured. The performance of its full‐wave computer simulation results and measured data are compared and are shown to be in good agreement.
format article
author Amir Khajevandi
Homayoon Oraizi
author_facet Amir Khajevandi
Homayoon Oraizi
author_sort Amir Khajevandi
title Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
title_short Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
title_full Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
title_fullStr Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
title_full_unstemmed Design of frequency selective surface based on Minkowski fractal and interdigital capacitance
title_sort design of frequency selective surface based on minkowski fractal and interdigital capacitance
publisher Wiley
publishDate 2021
url https://doaj.org/article/dedd105eb91148dcb47d11fa4c5da61b
work_keys_str_mv AT amirkhajevandi designoffrequencyselectivesurfacebasedonminkowskifractalandinterdigitalcapacitance
AT homayoonoraizi designoffrequencyselectivesurfacebasedonminkowskifractalandinterdigitalcapacitance
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