Optical constants of CDGM - ZK (Dense crown)
H-ZK9B
Wavelength:
µm
(0.290 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.874918734λ^2}{λ^2-0.00373965378}+\frac{0.7096273λ^2}{λ^2-0.0163972089}+\frac{1.09453882λ^2}{λ^2-100.204324}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: -9.86e-07 1.83e-08 -3.36e-11 3.65e-07 9.55e-11 0.222 nd: 1.620410 Vd: 60.339343 glass_code: 620603 glass_status: standard density: 3.58 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 6.2e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 7.7e-06 K-1 dPgF: -0.0016 climatic_resistance: 4.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets