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Broadband Waveguide Characterization of 3D-Printed Anisotropic Dielectric Crystals

Hehenberger, Simon Philipp and Caizzone, Stefano and Thurner, Stefan and Yarovoy, Alexander (2023) Broadband Waveguide Characterization of 3D-Printed Anisotropic Dielectric Crystals. European Conference on Antennas and Propagation, 2023-03-26 - 2023-03-31, Florenz, Italien. doi: 10.23919/EuCAP57121.2023.10133599.

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Abstract

Additive manufactured structured dielectrics with engineered permittivity tensors are promising tools for novel microwave components and are drawing increasing attention from researchers. However, design modeling and experimental verification of anisotropic materials are challenging and have not yet been thoroughly explored in the literature. In this work, a design approach based on superimposed spatial harmonics for the design of anisotropic lattices called dielectric crystals is used. Furthermore, the plane wave expansion method (PWEM) is identified as a powerful tool for modeling the effective permittivity tensor. A wideband material characterization measurement setup based on rectangular waveguides is utilized for experimental verification. Experiments with uniaxial anisotropic dielectric crystals are carried out and are shown to be in satisfying agreement with our theoretical modeling.

Item URL in elib:https://elib.dlr.de/188999/
Document Type:Conference or Workshop Item (Speech, Poster)
Title:Broadband Waveguide Characterization of 3D-Printed Anisotropic Dielectric Crystals
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hehenberger, Simon PhilippUNSPECIFIEDhttps://orcid.org/0000-0003-3816-3641148185606
Caizzone, StefanoUNSPECIFIEDhttps://orcid.org/0000-0002-9434-7368UNSPECIFIED
Thurner, StefanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yarovoy, AlexanderUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2023
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI:10.23919/EuCAP57121.2023.10133599
Status:Published
Keywords:additive manufacturing, 3D-printing, structured dielectric, dielectric crystal, uniaxial anisotropy, biaxial anisotropy, anisotropy, permittivity tensor, waveguide measurement, broadband, material characterization
Event Title:European Conference on Antennas and Propagation
Event Location:Florenz, Italien
Event Type:international Conference
Event Start Date:26 March 2023
Event End Date:31 March 2023
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication, Navigation, Quantum Technology
DLR - Research area:Raumfahrt
DLR - Program:R KNQ - Communication, Navigation, Quantum Technology
DLR - Research theme (Project):R - Project Navigation 4.0
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Hehenberger, Simon Philipp
Deposited On:25 Jan 2023 18:22
Last Modified:24 Apr 2024 20:50

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