Advances in Characterising Dielectric Materials at Microwave Frequencies Using Circular Open Waveguides
Baptiste Henriot·Emmanuel Perrin·Ali Dia·Serge Verdeyme·Olivier Tantot·Aurélien Périgaud·Nicolas Delhote·Steven Granet
ABSTRACT The dielectric characterisation method using an open circular waveguide radiating into a material is a well‐known method that offers many advantages but also has certain disadvantages that limit its use. The main disadvantages are the presence of multiple solutions during extraction and a calibration method that could be improved. Our studies have led to solutions that allow convergence towards a unitary solution and improvement of the calibration technique for better accuracy on the ph