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