Electromagnetic scattering by a right angled anisotropic impedance wedge

The 3D electromagnetic scattering of plane waves from a right angled impedance wedge, with one anisotropic face, is addressed. An exact integral representation for the total field is obtained by resorting to the Maliuzhinets method. The integral representation for the field is defined along the Sommerfeld integration path, so that it can be asymptotically evaluated by standard procedures. The particular kind of anisotropic impedance considered for one of the faces of the wedge is suitable for modelling corrugated surfaces or strip loaded grounded dielectric slabs, with corrugations or strips perpendicular to the edge