A simple and effective microwave invisibility cloak based on frequency selective surfaces

This paper presents the design, simulation, manufacturing and testing of a simple invisibility cloak based on a frequency selective surface (FSS). The work is focused on cloaking an electrically thin dielectric cylinder with an easy to manufacture FSS made of copper strips glued to the cylinder surface. In contrast to many papers in the literature, the full procedure from formulation to measurement results is presented here. An original approach to obtain the effective surface impedance of the cylindrical FSS from either simulated or measured far fields is introduced. The measurement results show excellent and relatively wide band performance of the cloak prototype.