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A Silicon Micromachined 220-330 GHz Turnstile Orthomode Transducer (OMT) in a Low-Loss Micromachining Fabrication Platform
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0002-8894-7930
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0002-8264-3231
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0003-3339-9137
2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

The work presented in this paper reports on the first wideband OMT in any frequency band implemented by micromachining. This turnstile-junction design provides full waveguide-band operation (220-330 GHz) and is the first implementation of a turnstile-OMT above 110 GHz, since very accurate fabrication is required for this topology. The measured insertion loss is below 0.5 dB and below 0.6 dB for the two polarizations, respectively, with an average measured return loss of 22 dB. Except for some spikes which still are below 30 dB, the cross-polarization is between 50 and 60 dB.

Place, publisher, year, edition, pages
2018.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-264931OAI: oai:DiVA.org:kth-264931DiVA, id: diva2:1375728
Conference
The 8th ESA Workshop on Millimetre-Wave Technology and Applications, 10-12 December 2018, ESA/ESTEC, Noordwijk, The Netherlands
Note

QC 20191206

Available from: 2019-12-05 Created: 2019-12-05 Last updated: 2019-12-06Bibliographically approved

Open Access in DiVA

fulltext(1883 kB)8 downloads
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CiteExportLink to record
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