Optical constants of CDGM - ZK (Dense crown)
H-ZK4
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.805862971λ^2}{λ^2-0.00365339732}+\frac{0.74036711λ^2}{λ^2-0.0162978769}+\frac{0.904054991λ^2}{λ^2-95.9876087}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 6.94e-07 1.7e-08 -7.12e-11 3.52e-07 4e-11 0.267 nd: 1.608810 Vd: 58.855991 glass_code: 609589 density: 3.53 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 6.3e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 7.9e-06 K-1 dPgF: -0.001 climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets