An investigation on the effect of bending of Split Ring Resonators

This paper investigates the effect of bending on Split Ring Resonators (SRR) by means of numerical simulations. This study is important since SRR is a basic bulk component of Left Handed Metamaterials (LHMs) which plays a vital role in the recent advancement of microwave applications. Modeling and analysis of SRR has been carried out using the commercially available software Ansoft´s High Frequency Structure Simulator (HFSS) which is based on the Finite Element Method (FEM). To the best knowledge of the authors, this kind of study is being conducted for the first time in the field of metamaterial science. We show that bending of SRR affects the retrieved values of the constitutive parameters which must be taken into account when designing flexible metamaterial. Edge Coupled SRR (EC-SRR) is considered in this research. Several degrees of bending have been investigated for comparison purposes.