Effective Medium Dispersion Analyzer

Analyze permittivity ε(ω), permeability μ(ω), and refractive index n(ω) using Drude-Lorentz effective medium models for metamaterial characterization.

Model Type

Drude (Metals) Lorentz (Resonant) Drude-Lorentz

Electric Response (ε)

ε∞ (High Freq.) 1.0

ωp,e (Plasma, THz) 15 THz

γe (Damping, THz) 1.0 THz

Magnetic Response (μ)

F (Filling Factor) 0.4

ω0,m (Resonance, THz) 5 THz

γm (Damping, THz) 0.5 THz

5-8 THz

NIM Band

-4.2

Min ε'

-2.1

Min μ'

-2.8

Min n'

FOM = 5.2

Figure of Merit

Model Equations

Drude Model (Electric):

ε(ω) = ε∞ - ωp²/(ω² + iγω)

Lorentz Model (Magnetic):

μ(ω) = 1 - Fω0²/(ω² - ω0² + iγω)