Effect of geometry modulation on the full dispersion diagram of a 2D periodic structure built in stripline technology

The effects of geometry modulation applied to a periodic structure built in stripline technology are assessed by means of the dispersion diagrams calculated in the spectral, or k, plane by using a commercial electromagnetic eigenmode solver. Modifications of surfaces representing propagation modes, of electromagnetic band-gaps and of group velocities of Bloch waves following geometry modulation are outlined and explaine