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Optical constants of CDGM - ZK (Dense crown)
H-ZK8
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.55701495-0.00765926112λ^{2}+0.0176261795λ^{-2}-0.0002049981λ^{-4}+6.81299541\text{×}10^{-05}λ^{-6}-3.07368383\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.5e-06 2.04e-08 -3.25e-11 5.04e-07 -5.67e-10 0.213
nd: 1.614047
Vd: 55.142852
glass_code: 614551
density: 3.58 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: -0.0008
climatic_resistance: 4.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)