Optical constants of CDGM - ZK (Dense crown)
H-ZK3A
Wavelength:
µm
(0.280 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.48635025-0.00969802289λ^{2}+0.0145444434λ^{-2}-6.42693019\text{×}10^{-05}λ^{-4}+3.4793343\text{×}10^{-05}λ^{-6}-1.53631738\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.86e-06 1.8e-08 -8.52e-12 4.69e-07 3.35e-10 0.137
nd: 1.589129
Vd: 61.245793
glass_code: 589613
density: 3.31 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 6.8e-06 K-1
dPgF: -0.0018
climatic_resistance: 3.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)