Modal method based on subsectional Gegenbauer polynomial expansion for nonperiodic structures: complex coordinates implementation

K Edee, B Guizal - JOSA A, 2013 - opg.optica.org
In this paper we present an extension of the modal method by Gegenbauer expansion
(MMGE)[J. Opt. Soc. Am. A28, 2006 (2011)],[Progress Electromagn. Res. 133, 17 (2013)] to …

Study of backscatter signature for seedbed surface evolution under rainfall-influence of radar precision

R Dusséaux, E Vannier, O Taconet… - Progress In …, 2012 - hal.science
We propose a 3D-approach of the soil surface height variations, either for the roughness
characterization by the mean of the bidimensional correlation function, or as input of a …

Scattering of electromagnetic waves from two-dimensional perfectly conducting random rough surfaces–study with the curvilinear coordinate method

KA Braham, R Dusséaux, G Granet - Waves in random and …, 2008 - Taylor & Francis
We present a method giving the bi-static scattering coefficient of two-dimensional (2-D)
perfectly conducting random rough surface illuminated by a plane wave. The theory is based …

Effect of the illumination length on the statistical distribution of the field scattered from one-dimensional random rough surfaces: analytical formulae derived from the …

R Dusséaux, R De Oliveira - Waves in Random and Complex …, 2007 - Taylor & Francis
We consider a dielectric plane surface with a local cylindrical perturbation illuminated by a
monochromatic plane wave. The perturbation is represented by a random function assuming …

Scattering by random rough surfaces: Study of direct and inverse problem

S Afifi, M Diaf - Optics communications, 2006 - Elsevier
In order to study the problems of scattering by rough metallic surfaces, we have used
Maxwell's equations in covariant form within the framework of a non-orthogonal coordinates …

Complex coordinate implementation in the curvilinear coordinate method: application to plane-wave diffraction by nonperiodic rough surfaces

K Edee, G Granet, JP Plumey - JOSA A, 2007 - opg.optica.org
We investigate the electromagnetic modeling of plane-wave diffraction by nonperiodic
surfaces by using the curvilinear coordinate method (CCM). This method is often used with a …

Beam implementation in a nonorthogonal coordinate system: Application to the scattering from random rough surfaces

K Edee, B Guizal, G Granet, A Moreau - JOSA A, 2008 - opg.optica.org
The C method is known to be one of the most efficient and versatile tools established for
modeling diffraction gratings. Its main advantage is the use of a coordinate system in which …

Buried object approach for solving scattering problems related to rough surfaces

Y Altuncu, A Yapar, I Akduman - Canadian journal of physics, 2007 - cdnsciencepub.com
Nous analysons une nouvelle méthode d'étude de la diffusion d'ondes électromagnétiques
sur une interface localement rude entre deux demi-milieux diélectriques. La méthode est …

Computation of a quasi-static field induced by two long straight parallel wires in a conductor with a rough surface

D Prémel - Journal of Physics D: Applied Physics, 2008 - iopscience.iop.org
This paper deals with the computation of the quasi-static electromagnetic field due to an
eddy current probe scanning a conductive half-space. Two homogeneous media are …

Implementation and validation of the curvilinear coordinate method for the scattering of electromagnetic waves from two-dimensional dielectric random rough surfaces

R Dusséaux, KA Braham, G Granet - Waves in Random and …, 2008 - Taylor & Francis
The curvilinear coordinate method is applied for analysing 2-D dielectric random rough
surfaces. The theory is based on Maxwell's equations written in a non-orthogonal coordinate …