Optical constants of CDGM - ZK (Dense crown)
H-ZK8
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.600949826λ^2}{λ^2-5.19864453\text{×}10^{-11}}+\frac{0.958288632λ^2}{λ^2-0.0167563008}+\frac{1.1405978λ^2}{λ^2-133.109431}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.5e-06 2.04e-08 -3.25e-11 5.04e-07 -5.67e-10 0.213
nd: 1.614050
Vd: 55.116283
glass_code: 614551
density: 3.58 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9.8e-06 K-1
climatic_resistance: 4.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets