Optical constants of CDGM - ZF (Dense flint)
H-ZF13
Wavelength:
µm
(0.370 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.73521591λ^2}{λ^2-0.0131087904}+\frac{0.316277446λ^2}{λ^2-0.0621421663}+\frac{2.16384634λ^2}{λ^2-178.845558}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.4e-06 1.34e-08 -3.56e-11 1.01e-06 1.25e-09 0.291
nd: 1.784720
Vd: 25.720045
glass_code: 785257
glass_status: standard
density: 3.25 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1.06e-05 K-1
dPgF: 0.0138
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets