Optical constants of CDGM - ZK (Dense crown)
H-ZK9A
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.58407802-0.0111281379λ^{2}+0.0154281597λ^{-2}+2.64033929\text{×}10^{-05}λ^{-4}+2.77466467\text{×}10^{-05}λ^{-6}-1.24493904\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.4e-06 1.73e-08 1.08e-10 5.4e-07 7.75e-10 0.097
nd: 1.620412
Vd: 60.368242
glass_code: 620603
density: 3.53 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.4e-06 K-1
dPgF: -0.0031
climatic_resistance: 4.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets