Optical constants of CDGM - ZK (Dense crown)
D-ZK2L-25
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.530248488λ^2}{λ^2-0.0175027403}+\frac{1.12537335λ^2}{λ^2-109.192004}+\frac{0.947317341λ^2}{λ^2-0.00498306497}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.09e-06 1.37e-08 -3.16e-11 4.84e-07 4.03e-10 0.189
nd: 1.586250
Vd: 59.524868
glass_code: 586595
density: 2.99 g/cm3
thermal_expansion:
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0035
Comments
anneal rate:25°C/h
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets