Simulation-Assisted Efficient Computation of the Dispersion Diagram of Periodic Structures: A comprehensive overview with applications to filters, leaky-wave antennas and metasurfaces

A hybrid method that combines the results of a commercial simulator with analytical postprocessing is discussed and used to compute the dispersion diagrams of periodic structures. The method takes advantage of the ability of commercial simulators to deal with arbitrary geometries and materials and overcomes some of their limitations to compute the attenuation constant. The frequency behavior of th...