Wave beam scattering from uniaxial unidirectionally inhomogeneous lossy chiral layer is studied using Fourier spectral method. As an example reflection of the H-polarized Gaussian beam is analyzed and distinctive features of the reflected beam field distribution is revealed and graphically illustrated.

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A rigorous method for solving 2D scattering by a PEC obstacle of arbitrary crosssection shape within an interaction region of waveguide T-junction is presented. The method extends the conventional Green's theorem approach by using the weight functions, which satisfy not only the wave equation but also the boundary conditions on the scatterer's boundary. Sample results for a rectangular metal insen are presented. The procedure developed is useful for the optimization of waveguide joints.

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