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Andrea Vallecchi
Researcher at University of Sheffield
Publications - 74
Citations - 870
Andrea Vallecchi is an academic researcher from University of Sheffield. The author has contributed to research in topics: Metamaterial & Microstrip antenna. The author has an hindex of 14, co-authored 72 publications receiving 815 citations. Previous affiliations of Andrea Vallecchi include University of Siena & University of Florence.
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Low Profile Fully Planar Folded Dipole Antenna on a High Impedance Surface
TL;DR: In this article, a planar antenna design incorporating a high impedance surface (HIS) is presented, which is composed by a periodic array of subwavelength dogbone-shaped conductors printed on top of a thin dielectric substrate and backed by a metallic ground plane.
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Metamaterial made of paired planar conductors: Particle resonances, phenomena and properties
TL;DR: In this article, the properties and characteristics of a recently proposed anisotropic metamaterial based upon layered arrays of tightly coupled pairs of "dogbone" shaped stripe conductors have been explored in detail.
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Design of dual-polarized series-fed microstrip arrays with low losses and high polarization purity
TL;DR: In this article, a dual-polarized microstrip series-fed linear traveling-wave array is described, which is composed of two identical subarrays formed by cascading an equal number of four-port aperture-coupled cross-patch elements and terminated on a two-port radiating matched load.
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Collective electric and magnetic plasmonic resonances in spherical nanoclusters
TL;DR: An investigation on the optical properties of three-dimensional nanoclusters made by spherical constellations of metallic nanospheres arranged around a central dielectric sphere, which can be realized and assembled by current state-of-the-art nanochemistry techniques.
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2-D Isotropic Effective Negative Refractive Index Metamaterial in Planar Technology
TL;DR: In this article, the authors presented a fully printable effective negative refractive index (NRI) metamaterial responsive to arbitrarily linearly polarized incident waves, composed of a periodic array of tightly coupled Jerusalem cross conductor pairs printed on the opposite sides of a dielectric substrate.