Optical constants of CDGM - ZK (Dense crown)
D-ZK2
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.402765796λ^2}{λ^2-0.019063471}+\frac{1.01706887λ^2}{λ^2-101.270923}+\frac{1.06495499λ^2}{λ^2-0.00590052089}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2e-06 1.15e-08 4.47e-11 6.34e-07 6.43e-10 0.089
nd: 1.583130
Vd: 59.381686
glass_code: 583594
density: 2.96 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.2e-06 K-1
dPgF: -0.0033
climatic_resistance: 2.0
Comments
anneal rate:4°C/h
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets