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Generalized impedance models and inverse scattering
The main objective of this thesis is to use asymptotic models for the resolution of inverse electromagnetic scattering problems. We consider in particular the case of... -
Mathematical study and numerical approximation of homogenized metamaterials
This thesis carries out some studies concerning the mathematical modelling and the numerical approximation of problems involving homogenized metamaterials. In the... -
Topology, holes and sources
International audience -
Imagerie de Réflecteurs Electromagnétiques en Régime Diffusif : Méthode et Ap...
Mémoires de Géosciences Rennes n° 70, 165 p. ISBN: 2-905532-69-6 -
Light localization within nano-scale roughness of metallic surfaces treated b...
The framework of this thesis is the numerical simulation of the interaction of light with rough metallic surfaces which can be the origin of giant enhancements of the... -
Lightning impact on a telecommunication network
Direct or indirect effects of lightning may engender important damage on telecommunication network. This thesis discusses how theoretical study of the coupling... -
Numerical solution of static electromagnetic problems with geometric uncertai...
The numerical models that are more and more used as virtual prototypes require information on the input data as the geometrical dimensions, the physical... -
Use and improvement of the discrete model of excitation of a periodic wavegui...
The present Ph.D. report deals with the time-domain modeling and simulation of the beam-wave interaction that occurs in helix traveling-wave tubes (TWTs) amplifiers.... -
Modelisation, realisation and caracterisation of superconducting coils for mi...
High resolution magnetic resonance imaging (MRI) of small animals requires generally higher static magnetic field (up to 20 T) than those used for clinical... -
Foundations of Photonic Crystal Fibres
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The Fast Fourier Factorization method applied to the study of arbitrary cross...
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Calculs éléments finis paramétrés à l'aide des dérivées d'ordre élevé, Applic...
In this work, a procédure of high order sensitivity analysis was implemented within the fînite élément method (FEM). Firstly, we presented the fundamental of this... -
Methodology for airborne electromagnetic imaging
This PhD work provides methodological tools for the fast interpretation of airborne transient electromagnetic data (ATEM). As our first step, we focused on the problem... -
Study and development of a new ECR source creating an intense light ions beam
This thesis is in the context of study and design of a new ECR light ion source on LEDA (Laboratory of Research and Development of Accelerators - CEA Saclay), named... -
Lumière diffuse et microsphères multicouches : calculs et réalisations
We have developed calculation code based on Mie theory, in order to predict the angular and spectral response of dielectric or metallic microspheres coated by... -
EM characterization of structures buried in the narrow or deep underground
I work on characterization of buried objects in the narrow or deeper underground within two principal cooperations : one with the BRGM (Orleans, France) which provides... -
Study of the Susceptibility of the GSM-R Communications to the Electromagneti...
The Global System for Mobile Communications-Railway (GSM-R) system is currently deployed in Europe in order to ensure the interoperability of the high-speed trains.... -
Reduced PEEC model for electromagnetism modelisation of eletrical interconnec...
This thesis deals with the improvement of the inductive PEEC method (for modelling electrical interconnections of low frequency) using the matrix compression Fast... -
Cable modelling for electromagnetic transients in power systems
Cables are extensively used for underground alternating current electricity distribution and progressively over longer distances ; the proliferation of offshore wind... -
Weighted regularization for composite materials in electromagnetism
International audience
