| Gauss-Lorentz peak | Gauss-Lorentz|GL | number_of_terms, Asymmetric|A, Fano|F, ph, Head|H |
| Gaussian peak | Gaussian|Gauss|GBP | number_of_terms, FWHM, Asymmetric|A, Fano|F, ph |
| Classical Drude-Lorentz model (damping harmonic oscillator) | Lorentz|LBP|Drude|DHO | number_of_terms, Asymmetric|A, Fano|F, ph |
| Broadened polynominal function | Poly|Polynominal|Polynom | order_of_polynom, Lorentz, Gauss, FWHM, ph |
| Tauc-Lorentz dispersion model | Tauc-Lorentz|TL | CC, JM, DF1, ASF, DF2, CJF, number_of_terms |
| Truncated Lorentzian peak | TruncatedLorentz|TruncatedLorentzianPeak|TLP | number_of_terms |
| Vacuum | Vacuum | |
| Voigt peak | Voigt|VBP | number_of_terms, Asymmetric|A, Fano|F, ph |
|