Radiation from Integrated Dielectric Millimeter-Wave Slab-Wedge Structures.
Final technical rept. 29 Jan 76-31 May 79,
NEW JERSEY INST OF TECH NEWARK
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A method of analysis of an integrated dielectric slab waveguide and wedge radiator is presented. Plane wave constituents in the slab are assumed to excite the dielectric wedge. The solution in the wedge is postulated to be a finite, continuous spectrum of plane waves. Reflections of these waves from the wedge boundaries are taken into account by introducing angularly dependent Fresnel reflection coefficients into the integrands of the planewave integral representations. These integrals reduce asymptotically to the dielectric slab fields in the limit of small wedge apex angle at the interface between the slab and the wedge. Using numerical techniques, the TE surface fields and the far field radiation patterns are determined for different dielectric materials, wedge lengths and slab widths. It is observed that by decreasing either the relative permittivity of the dielectric or the slab width or by increasing the wedge length a more directive antenna pattern results. Author
- Radiofrequency Wave Propagation