Optical constants of CDGM - ZK (Dense crown)
D-ZK3
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.48968705-0.0121700502λ^{2}+0.0125749866λ^{-2}+0.000532456449λ^{-4}-5.1039362\text{×}10^{-05}λ^{-6}+2.86502873\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.68e-06 9.68e-09 -2e-11 5.34e-07 1.41e-09 0.172
nd: 1.589132
Vd: 61.162960
glass_code: 589612
density: 2.83 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.3e-06 K-1
dPgF: -0.007
climatic_resistance: 4.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)