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On Surface Losses in Direct Metal Laser Sintering Printed Millimeter and Submillimeter Waveguides
Uppsala Univ, Dept Engn Sci, Angstrom Lab, Lagerhyddsvagen 1, S-75237 Uppsala, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0002-2217-8032
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics.ORCID iD: 0000-0003-1803-9467
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2018 (English)In: Journal of Infrared, Millimeter and Terahertz Waves, ISSN 1866-6892, E-ISSN 1866-6906, Vol. 39, no 6, p. 535-545Article in journal (Refereed) Published
Abstract [en]

Different lengths of WR3 (220-330 GHz) and WR10 (75-110 GHz) waveguides are fabricated through direct metal laser sintering (DMLS). The losses in these waveguides are measured and modelled using the Huray surface roughness model. The losses in WR3 are around 0.3 dB/mm and in WR10 0.05 dB/mm. The Huray equation model is accounting relatively good for the attenuation in the WR10 waveguide but deviates more in the WR3 waveguide. The model is compared to finite element simulations of the losses assuming an approximate surface structure similar to the resulting one from the DMLS process.

Place, publisher, year, edition, pages
SPRINGER , 2018. Vol. 39, no 6, p. 535-545
Keywords [en]
Millimeterwave, 3D-metal-printed, Waveguide loss
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-356385DOI: 10.1007/s10762-018-0470-xISI: 000431255500005OAI: oai:DiVA.org:uu-356385DiVA, id: diva2:1235472
Funder
Swedish Foundation for Strategic Research Available from: 2018-07-25 Created: 2018-07-25 Last updated: 2018-07-25Bibliographically approved

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