Optical constants of CDGM - ZK (Dense crown)
H-ZK20
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.56416217-0.00663710078λ^{2}+0.0191195924λ^{-2}-0.000520583562λ^{-4}+0.000117796641λ^{-6}-5.72026705\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.96e-07 3.18e-08 4.78e-11 5.07e-07 -2.17e-09 0.255
nd: 1.617203
Vd: 53.928400
glass_code: 617539
density: 3.66 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0001
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)