Optical constants of CDGM - ZF (Dense flint)
H-ZF72A
Wavelength:
µm
(0.390 – 2.400)
Derived optical constants
n
k
logX
logY
eV
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)