(a) CST setup for measuring a single SRR. Lumped element capacitors have been placed in all gaps. The SRR is excited with a magnetic loop while the resonance is measured with an H-probe which records the magnetic field; (b) the variation of f₀ at different mesh and boundingbox sizes when C₁ = C₂ = 100 pF, and (c) the quality factor Q versus the resistance of each added capacitor.