| 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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Bialkowski, Konstanty
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Mathematical model of common-mode sources in long-cable-fed adjustable speed drivescitations
- 2021Multiple open ended probe for spatio-temporal dielectric spectroscopy: application to evaporative dewateringcitations
- 2020Implantable sensor for detecting changes in the loss tangent of cerebrospinal fluidcitations
- 2019Wearable electromagnetic head imaging using magnetic-based antenna arrayscitations
- 2019Compact implantable antennas for the cerebrospinal fluid monitoringcitations
- 2018Fabrication and characterization of flexible polymer iron oxide composite substrate for the imaging antennas of wearable head imaging systemscitations
- 2018Flexible antenna on high permeability substrate for electromagnetic head imaging systemscitations
- 2017Closed-form equation to estimate the dielectric properties of biological tissues as a function of agecitations
- 2017Miniaturizing electromagnetic invisibility cloaks using double near zero slabs
- 2017Skin tissue characterization of canine at microwave and millimeter-wave frequencies
- 2017Concealment with near-zero materials and their sensitivity to non-zero material parameters
- 2017Size reduction of electromagnetic devices using double near zero materialscitations
- 2017Half-sized cylindrical invisibility cloaks using double near zero slabs with realistic material size and propertiescitations
- 2016Design and experimental evaluation of a non-invasive microwave head imaging system for intracranial haemorrhage detectioncitations
- 2014Convex optimization approach for stroke detection in microwave head imagingcitations
- 2006Design of complementary UWB printed monopole antennas using simple formulascitations
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article
Half-sized cylindrical invisibility cloaks using double near zero slabs with realistic material size and properties
Abstract
A method is introduced to miniaturize invisibility cloaks by 50% using wave tailoring and finite/ non-zero wave impedance of double near zero (DNZ) slabs. Unlike previous works, which use thick dielectric matching layers to miniaturize internal cloaks, the proposed technique is applied to both internal and external cylindrical cloaks using a thin and short DNZ slab to change cloaks' shapes to half-cylinder shells. Moreover, sets of structures are introduced for the half sized cloaks to enable using feasible-to-fabricate structures with the help of a rigorous theoretical analysis, which is validated via full-wave simulations. All of the presented results show that the proposed half cloaks can function perfectly well. The sensitivity of half-sized cloaks to the length and material properties of the DNZ slab is investigated to find the shortest length and the highest values of the permittivity and permeability for the slab to have small yet realizable structures. The analysis shows that slabs with length as small as the diameter of the cloaks and constitutive parameters (permittivity and permeability) as high as epsilon(slab)= mu(slab) = 0.1-0.1 i and epsilon(slab)= mu(slab) = 0.05-0.04i for half-sized external cloaks and half-sized internal cloaks, respectively, can still considerably reduce the scattered fields. The effect of the loss and incident angle of the field on the performance of the miniaturized cloaks are also analyzed. (C) 2017 Optical Society of America