Optical constants of CDGM - ZK (Dense crown)
D-ZK2
Wavelength:
µm
(0.300 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.46827466-0.0104485861λ^{2}+0.01366454λ^{-2}+0.000255364655λ^{-4}-4.77558494\text{×}10^{-06}λ^{-6}+3.20543262\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.583129
Vd: 59.416316
glass_code: 583594
density: 2.96 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.2e-06 K-1
dPgF: -0.0039
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)