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Optical constants of CDGM - ZK (Dense crown)
D-ZK79
Wavelength:
µm
(0.300 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.54530492-0.00968163858λ^{2}+0.0157167913λ^{-2}+3.66972503\text{×}10^{-05}λ^{-4}+2.96132095\text{×}10^{-05}λ^{-6}-1.32380367\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 6.7e-07 1.89e-08 -2.68e-10 2.21e-07 1.09e-09 0.312
nd: 1.608858
Vd: 57.965801
glass_code: 609579
density: 3.19 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.1e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.9e-06 K-1
dPgF: -0.0032
climatic_resistance: 4.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)