| People | Locations | Statistics |
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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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Lancaster, Mj
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2022D-band waveguide diplexer fabricated using micro laser sinteringcitations
- 2022Compact monolithic SLM 3D-printed filters using pole-generating resonant irisescitations
- 20213D printed re-entrant cavity resonator for complex permittivity measurement of crude oilscitations
- 2021Two‐GHz hybrid coaxial bandpass filter fabricated by stereolithography 3‐D printing
- 20213D printed coaxial microwave resonator sensor for dielectric measurements of liquidcitations
- 2020180 GHz Waveguide Bandpass Filter Fabricated by 3D Printing Technologycitations
- 201990 GHz Micro Laser Sintered Filter: Reproducibility and Quality Assessmentcitations
- 2018W-Band Waveguide Bandpass Filters Fabricated by Micro Laser Sinteringcitations
- 2018Microwave filters based on novel dielectric split-ring resonators with high unloaded quality factorscitations
- 2016Permittivity and loss characteristics of SU8-quartz composite photoresist at THz frequenciescitations
- 2016W-Band waveguide filters fabricated by laser micromachining and 3-D printingcitations
- 2014Uncertainties in the permittivity of thin films extracted from measurements with near field microwave microscopy calibrated by an image charge modelcitations
- 2009Two-dimensional growth of SrTiO3 thin films on (001) MgO substrates using pulsed laser deposition and reflection high energy electron diffractioncitations
- 2009Comparison of scanning evanescent microwave microscopy with co-planar waveguide methods of characterization of BaSr TiO thin films
- 2009Comparison of structural, microstructural, and electrical analyses of barium strontium titanate thin filmscitations
- 2008BaxSr1 - xTiO3 Thin Films for Tunable Microwave Devices in Cryogenic and Room Temperature Applicationcitations
- 2007Fabrication and characterisation of barium strontium titante thick film device structures for microwave applicationscitations
- 2007Optical properties of barium strontium titanate (BST) ferroelectric thin filmscitations
- 2007Fabrication and Characterisation of Barium Strontium Titanate Thick Film Device Structures for Microwave Applicationscitations
- 2006Temperature Dependent Dielectric Properties of Coplanar Phase Shifters Fabricated from Ba₀.₅SR₀.₅Ti0₃ Thin Filmscitations
- 2006Microwave and Microstructural Properties of Ba₀.₅Sr₀.₅TiO₃ of Thin Film Coplanar Phase Shifterscitations
- 2004High frequency thick film BST ferroeclectric phase shiftercitations
- 2004Growth, Microwave Properties and Microstructure of Ba₀₊₀₅Sr₀₊₉₅TiO₃ Thin Filmscitations
- 2003A High Temperature Superconducting Butler Matrixcitations
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article
3D printed re-entrant cavity resonator for complex permittivity measurement of crude oils
Abstract
<p>This paper presented a microwave resonator-based dielectric metrology technique using a new unified analytical model to extract complex permittivity of low-loss liquid materials. The main design drive of the modified re-entrant cavity is to confine the electric field and therefore enhance the interaction with the material under test while maintaining high quality factor of the cavity. This enables high sensitivity when measuring complex permittivity of low loss materials. The fabrication of the resonator was made easy by using stereo-lithography (SLA) 3D printing. The measured resonance frequency of the fabricated cavity is 2.09 GHz and the quality factor is 5250. The device was first validated using several common solvents. A unified analytical perturbation model based on simulations is developed for the extraction of the complex permittivity. The influence of the dielectric constant on the loss-tangent model has been fully taken into account. Results obtained agree very well with literature values. The device has subsequently been used in the measurement of crude oil samples and the correlation between permittivity measurement and crude oil category has been established.</p>