TM-WAVE RADIATION FROM FLANGED PARALLEL-PLATE INTO DIELECTRIC SLAB

Flanged parallel-plate radiation of a TM-wave into a dielectric slab i s investigated. The Fourier transform is used to represent the radiati on field in the spectral domain and the boundary conditions are enforc ed to obtain the reflection coefficient in rapidly converging series f orm, Numerical computations are performed to illustrate the radiation behaviour in terms of aperture size, frequency, and slab geometry, It is found that a single-mode approximate solution predicts well the rad iation behaviour when a flanged rectangular waveguide is excited in th e TE(10) mode.