Ultra-wideband inkjet printed grounded coplanar waveguide-to-folded waveguide transition

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dc.contributor.authorDogan, Berkay
dc.contributor.authorPsychogiou, Dimitra
dc.date.accessioned2026-09-15T10:36:02Z
dc.date.available2026-09-15T10:36:02Z
dc.date.issued2026-09-14
dc.description.abstractThis paper presents the design and practical development of an ultra-wideband 3D grounded coplanar waveguide (GCPW)-to-folded waveguide (FWG) transition for beamforming antenna systems in X/Ku-band. It is based on a two-stage configuration comprising a three-dimensional (3D) vertical taper transition and a shielded stripline. A novel integration concept using a two-material piezo drop-on-demand process is proposed for ultra-compact 3D monolithic integration. For proof-of-concept validation purposes, a prototype comprising two transitions in a back-to-back configuration was designed and tested. It exhibited a center frequency of 13.3 GHz, a 10-dB return loss (RL) bandwidth (BW) from 9.08 GHz to 17.54 GHz, (i.e., absolute BW of 8.46 GHz) and a fractional BW (FBW) of 63.61%. In this BW, the in-band insertion loss (IL) was measured between 1.05-3.66 dB.en
dc.description.sponsorshipResearch Ireland|13/RC/2077_P2
dc.description.sponsorshipResearch Ireland|20/RP/8334
dc.description.versionAccepted Version
dc.format.extent5
dc.format.mimetypeapplication/pdfen
dc.identifier.authororcidDogan, Berkay
dc.identifier.authororcidPsychogiou, Dimitra§0000-0003-1936-4026
dc.identifier.citationDogan, B & Psychogiou, D 2026, Ultra-wideband inkjet printed grounded coplanar waveguide-to-folded waveguide transition. in 20th European Conference on Antennas and Propagation, EuCAP 2026. 20th European Conference on Antennas and Propagation, EuCAP 2026, Institute of Electrical and Electronics Engineers Inc., pp. 1-5, 20th European Conference on Antennas and Propagation, EuCAP 2026, Dublin, Ireland, 19/04/26. https://doi.org/10.23919/EuCAP68105.2026.11612144
dc.identifier.doi10.23919/EuCAP68105.2026.11612144
dc.identifier.endpage5
dc.identifier.isbn9788831299121
dc.identifier.otherORCID: /0000-0003-1936-4026/work/226856974
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/19255
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofseries20th European Conference on Antennas and Propagation, EuCAP 2026
dc.relation.urihttps://www.scopus.com/pages/publications/105048914443
dc.rights© 2026, European Association of Antennas and Propagation. Published by IEEE.
dc.rights.accessrightsopen access
dc.rights.licensenameAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.statusPeer reviewed
dc.subject3D printing
dc.subjectAdditive manufacturing (AM)
dc.subjectinkjet printing
dc.subjectMonolithic integration
dc.subjectTransition
dc.subjectWaveguide theory
dc.subject[TyndallMicroNano]
dc.subject[EngineeringArchitecture]
dc.titleUltra-wideband inkjet printed grounded coplanar waveguide-to-folded waveguide transitionen
dc.typeConference item
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