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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Salek, Milan
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023High-Q 100 ghz photonic crystal resonator fabricated from a cyclic olefin copolymercitations
- 2023Compact Monolithic 3D-Printed Wideband Filters Using Pole-Generating Resonant Irisescitations
- 2023Evaluation of 3D printed monolithic G-band waveguide componentscitations
- 2022A 3D printed 300 GHz waveguide cavity filter by micro laser sinteringcitations
- 2022Compact monolithic SLM 3D-printed filters using pole-generating resonant irisescitations
- 2021Two‐GHz hybrid coaxial bandpass filter fabricated by stereolithography 3‐D printing
- 2020180 GHz Waveguide Bandpass Filter Fabricated by 3D Printing Technologycitations
- 201990 GHz Micro Laser Sintered Filter: Reproducibility and Quality Assessmentcitations
- 20193-D Printed microwave and terahertz passive components
- 2018W-Band Waveguide Bandpass Filters Fabricated by Micro Laser Sinteringcitations
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article
Evaluation of 3D printed monolithic G-band waveguide components
Abstract
This paper presents a comprehensive evaluation of 3D-printed monolithic waveguide components fabricated by a high-precision micro laser sintering (MLS) process. The investigated devices are two 180 GHz bandpass filters and a straight G-band (140-220 GHz) waveguide section. All were made of stainless steel, which was later gold coated using an electroless process. One of the filter samples was characterized using X-ray micro-CT to inspect the printing quality as well as measure the internal dimensions. The sample was then sectioned to allow measurement of the surface roughness of the inner surfaces and inspect the gold coating quality. The as-manufactured stainless steel components showed high insertion losses: over 3 dB in the filter passbands and between 4.7 dB and 7 dB for the waveguide section, increasing with frequency over the G- and. This loss is due to the electrical conductivity of stainless steel as well as the surface roughness. Gold plating significantly reduced the insertion losses, to 0.5 dB for the filters and to between 0.6 dB and 1 dB for the waveguide section. The investigative study showed the high dimensional accuracy and good printing quality achieved by MLS, demonstrating the value of the technique in producing monolithic metal waveguide components with fine geometrics.