Optical constants of CDGM - ZF (Dense flint)
H-ZF12
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.323730379λ^2}{λ^2-0.0598308169}+\frac{1.65668629λ^2}{λ^2-0.0120542686}+\frac{2.1214152λ^2}{λ^2-174.18792}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -3e-06 4.05e-09 -1.34e-10 9.31e-07 3.32e-09 0.293 nd: 1.761820 Vd: 26.607986 glass_code: 762266 density: 3.17 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.01e-05 K-1 dPgF: 0.0128 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets