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Home » Conference Information » short courses » Recent Advances in the Analytical Modeling of Wire Media Based Metamaterial Structures with Microwave and Terahertz Applications (cancelled)

Recent Advances in the Analytical Modeling of Wire Media Based Metamaterial Structures with Microwave and Terahertz Applications (cancelled)

S. I. Maslovski

Universidade de Coimbra, Instituto de Telecomunicaçöes, Portugal

S.I. Maslovski was born in Leningrad, U.S.S.R. (presently St. Petersburg, Russia), in 1975. He received his B.Sc., M.Sc., and Cand. Phys.-Math. Sc. (Ph.D.) degrees from St. Petersburg State Technical Univ. (SPb STU) in 1997, 1999, and 2004, respectively. During the years 2002-2006 he was with the Radio Laboratory of Helsinki Univ. of Technology. In years 2006-2008 S.I. Maslovski worked as a Docent (Assoc. Prof.) at the Radiophysics faculty of SPb STU. Since 2009 he is with Instituto de Telecomunicações (IT), Coimbra, Portugal. S.I. Maslovski is FCT Research Fellow (Investigador FCT) at IT and visiting Senior Research Fellow at the Laboratory of Metamaterials of the National Research University ITMO, St. Petersburg, Russia. His main research interests are in electromagnetics of metamaterials, smart and active media, and quantum-electromagnetic effects in such media.

A. B. Yakovlev 

The University of Mississippi, USA

Alexander B. Yakovlev received the Ph.D. degree in Radiophysics from the Institute of Radiophysics and Electronics, National Academy of Sciences, Ukraine, in 1992, and the Ph.D. degree in Electrical Engineering from the University of Wisconsin at Milwaukee, in 1997. At present he is a Professor of Electrical Engineering at the University of Mississippi. His research interests include mathematical methods in applied electromagnetics, homogenization theory, artificial magnetic conductor surfaces for antenna applications, electromagnetic band-gap structures, metamaterial structures, wire media, graphene, cloaking, theory of leaky waves, transient fields in layered media, catastrophe and bifurcation theories. Dr. Yakovlev received the Young Scientist Award at the 1992 URSI International Symposium on Electromagnetic Theory, Sydney, Australia, and the Young Scientist Award at the 1996 International Symposium on Antennas and Propagation, Chiba, Japan. From 2003 to 2006 Dr. Yakovlev was an Associate Editor-in-Chief of the ACES Journal and from 2005 to 2008 was an Associate Editor of the IEEE Transactions on Microwave Theory and Techniques. He is a Senior Member of the IEEE (Microwave Theory and Techniques Society and Antennas and Propagation Society) and Member of URSI Commission B. He is a coauthor of the book Operator Theory for Electromagnetics: An Introduction, Springer, New York, NY, 2002.

Abstract

In the proposed comprehensive short course, the basic concepts of the homogenization theory of wire media (WM) will be discussed, with a variety of examples and applications demonstrating different physical phenomena and practical realization of devices at microwave and THz frequencies. It is our intention to demonstrate that the interaction of electromagnetic waves with complex wire medium structures (in general, multilayered, periodic and aperiodic configurations), can be analyzed in a most elegant, physically insightful manner using the effective medium approximation, resulting in accurate analytical solutions for a wide range of frequencies. The theory is based on the quasi-static approach for uniaxial WM with a nonlocal dielectric function, which takes into account spatial dispersion effects, and generalized additional boundary conditions at WM interfaces. We also discuss an alternative local approach which introduces additional degrees of freedom into the WM model. This approach allows for analyzing source-driven electromagnetic processes within WM.

Within the framework of homogenization models developed for WM structures, a variety of electromagnetic problems will be presented with applications at microwave and THz frequencies. This includes the analysis of artificial impedance surfaces (reflection properties and natural waves of high-impedance surfaces, such as bed-of-nails and mushroom-type surfaces), subwavelength imaging with the array of parallel wires, negative refraction phenomena with crossed wires, mushroom-type structures, subwavelength imaging and partial focusing with WM loaded with impedance insertions, and broadband microwave absorbers with stable angle characteristics, among others. In all the cases the analytical results of homogenization models have been verified with the results of full-wave commercial programs, showing excellent agreement, and in some cases the results have been confirmed experiment.

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