Optical constants of CDGM - ZF (Dense flint)
H-ZF72A
Wavelength:
µm
(0.390 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.49933112-0.0270915729λ^{2}+0.0477045173λ^{-2}+0.0109646331λ^{-4}-0.00132276177λ^{-6}+0.000133630751λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.4e-06 1.6e-08 -1.17e-10 1.2e-06 1.96e-09 0.319 nd: 1.922867 Vd: 18.895456 glass_code: 923189 density: 3.57 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.7e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: 0.0357 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)