Material Fitting
Overview
Section titled “Overview”This guide will cover rfx’s material fitting capabilities:
- CSV import — load measured ε(f) / μ(f) data from standard formats
- Debye fitting — automatic pole extraction for wideband dielectric models
- Lorentz fitting — resonant material models for metamaterials and ferrites
- FDTD-based fitting — differentiable simulation loop for gradient-based parameter refinement
See Materials & Geometry for the built-in material library and dispersive model usage.