Non-radiative perforated dielectric waveguide (NRPD) with integrated transition to slotline for millimetre-wave components

The purpose of this work is to investigate integrated waveguide structures for low loss millimetre wave components. The guides are based around periodic dielectric structures (non-radiative perforated dielectric waveguides) formed by cylindrical air columns in the material surrounding the dielectric core of an NRD guide. Furthermore, in the centre of the guide, a transition to slotline is introduced to demonstrate one possible technique to integrate 3D waveguides with planar circuitry and microwave monolithic integrated circuits (MMICs).