A new approach to the 2D inverse electromagnetic medium scattering problem: reconstruction of anisotropic objects

Author

Rieger, W. ; Buchau, A. ; Huber, C. ; Lehner, G. ; Rucker, W.M.

Author_Institution

Inst. fur Theor. der Elektrotech., Stuttgart Univ., Germany

Volume

36

Issue

4

fYear

2000

fDate

7/1/2000 12:00:00 AM

Firstpage

1106

Lastpage

1109

Abstract

A new method for reconstructing the material properties of inhomogeneous lossy dielectric biaxial cylindrical objects is presented. The material properties are reconstructed using scattering data from time-harmonic electromagnetic plane waves with the electric field vector perpendicular to the cylindrical object (TE-polarization). The inverse scattering problem formulated as a nonlinear optimization problem is numerically solved using a variable metric method. This method involves exact first-order gradients, Numerical examples illustrate the efficiency of the algorithm

Keywords

anisotropic media; electromagnetic wave polarisation; electromagnetic wave scattering; inverse problems; 2D inverse electromagnetic medium scattering; TE-polarization; anisotropic objects; electric field vector; first-order gradients; inverse scattering problem; material properties; nonlinear optimization problem; reconstruction; time-harmonic electromagnetic plane waves; variable metric method; Anisotropic magnetoresistance; Conductivity; Dielectric losses; Electromagnetic scattering; Finite element methods; Inverse problems; Material properties; Optimization methods; Permittivity; Tensile stress;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.877634

Filename

877634