Nikolaos V. Kantartzis
Aristotle University of Thessaloniki
313 Papers
793 Citations
Nikolaos V. Kantartzis is an academic researcher from Aristotle University of Thessaloniki. The author has contributed to research in topics: Finite-difference time-domain method & Metamaterial. The author has an hindex of 24, co-authored 264 publications. Previous affiliations of Nikolaos V. Kantartzis include Foundation for Research & Technology – Hellas.
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Papers
•Posted Content
The Software-Defined Metasurfaces Concept and Electromagnetic Aspects
Anna C. Tasolamprou,Alexandros Pitilakis,Odysseas Tsilipakos,Christos Liaskos,Ageliki Tsiolaridou,Fu Liu,Xuchen Wang,Mohammad Sajjad Mirmoosa,Kypros M. Kossifos,Julius Georgiou,Andreas Pitsilides,Nikolaos V. Kantartzis,Dionysios Manessis,Sotiris Ioannidis,George Kenanakis,George Deligeorgis,Eleftherios N. Economou,Sergei A. Tretyakov,Costas M. Soukoulis,Maria Kafesaki +19 more
TL;DR: The key unit is the metasurface, a plane with designed subwavelength features whose electromagnetic response can be tuned via voltage-controlled continuously-tunable electrical elements that provide local control of the surface impedance and advanced functionalities, such as tunable perfect absorption or wavefront manipulation.
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Metamaterial-based wireless power transfer through interdigitated SRRs
TL;DR: In this article, a new interdigitated split-ring resonator (I-SRR) was introduced as the basic part of a WPT system, pursuing advanced levels of efficiency.
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An Enhanced Total-Field/Scattered-Field Scheme for the 3-D Nonstandard Finite-Difference Time-Domain Method
TL;DR: In this article, a new advanced TF/SF scheme for the 3D NS-FDTD algorithm is developed and fully validated, considering the features of the FDTD operators, which is far more efficient and versatile than the original FDTD one.
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Wavefront engineering with optimally loaded absorbing metamirrors
Athanasios N. Papadimopoulos,A. Duspayev,Nikolaos L. Tsitsas,Nikolaos V. Kantartzis,Constantinos A. Valagiannopoulos +4 more
TL;DR: In this article, Metamirrors comprising dielectric and plasmonic layers back-to-back are found to serve well such a purpose of wavefront transformation for reflected waves with use of tiny scatterers placed at positions of enhanced field and exploiting the absorbing mechanism of these bilayers.
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Combining standard with optimised split-step finite-difference time-domain methods for the study of graphene configurations
TL;DR: A hybrid computational model for the reliable simulation of electromagnetic-wave phenomena emerging in graphene structures, which incorporates two variations of an unconditionally-stable finite-difference time-domain algorithm and a dispersive model that relies on the auxiliary differential equation technique.
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