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Tradeoff Between Impedance Bandwidth and Polarization Purity in Connected Slot Arrays

Conference Paper (2024)
Author(s)

C.M. Coco Martin (TU Delft - Tera-Hertz Sensing)

Daniele Cavallo (TU Delft - Tera-Hertz Sensing)

Research Group
Tera-Hertz Sensing
DOI related publication
https://doi.org/10.1109/ARRAY58370.2024.10880342
More Info
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Publication Year
2024
Language
English
Research Group
Tera-Hertz Sensing
Bibliographical Note
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.@en
ISBN (electronic)
9798350392142
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Abstract

We present an approach to design wideband arrays of connected slots with artificial dielectric layers (ADLs) that allows to take into account both matching and polarization properties. The slots are fed by parallel plate waveguides (PPW s) that are co-designed with the ADLs to realize the desired matching bandwidth. An equivalent circuit model of the unit cell is derived, including both the feed and the AD Ls, providing a fast and accurate estimation of both the active reflection coefficient and the cross-polarization level. Such model enables a tradeoff between matching and polarization efficiency already at the early stages of the design.

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File under embargo until 15-09-2025