Optical constants of CDGM - ZK (Dense crown)
D-ZK21
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.31514915λ^2}{λ^2-103.989436}+\frac{1.08358135λ^2}{λ^2-0.0143813024}+\frac{0.513108754λ^2}{λ^2+0.00036392391}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.26e-06 1.53e-08 -2.43e-11 4.86e-07 2.51e-10 0.199 nd: 1.624460 Vd: 58.207924 glass_code: 624582 density: 2.99 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.1e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: -0.0065 climatic_resistance: 1.0
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