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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
Compact Monolithic 3D-Printed Wideband Filters Using Pole-Generating Resonant Irises
Abstract
The design concept of a pole-generating resonant iris is demonstrated in rectangular waveguide filters in this paper. Different from conventional reactive iris, the resonant iris can generate an extra transmission pole without increasing the number of resonant cavities. As a result, several design advantages can be gained: (i) a more compact filter structure; (ii) an ability to realize strong coupling and therefore wide bandwidth; and (iii) a new polarization rotation capability. Two third-order Chebyshev filters are designed and implemented, demonstrating the miniaturization and polarization rotation feature. A fifth-order Chebyshev filter with 20% fractional bandwidth is presented to show the capability of realizing wideband. This also demonstrates the realization of asymmetric coupling between the resonant iris and the cavity resonator on either side. An approach to control and extract the coupling between the iris and the cavity resonator has also been presented. To manufacture the intricate asymmetric iris structure, all the presented filters are printed monolithically using selective laser melting technique. Excellent agreement between the measurements and simulations has been achieved, verifying the design concept as well as the additive manufacturing capability in microwave waveguide devices.