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Optical constants of CDGM - QK (Light crown)
H-QK1
Wavelength:
µm
(0.280 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.13732812-0.00894176765λ^{2}+0.00967010992λ^{-2}-6.31093115\text{×}10^{-05}λ^{-4}+2.62713578\text{×}10^{-05}λ^{-6}-1.27152263\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.33e-06 2.75e-08 -4.55e-11 2.96e-07 -7.4e-10 0.257
nd: 1.470466
Vd: 66.884514
glass_code: 470669
density: 2.3 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.5e-06 K-1
dPgF: -0.0002
climatic_resistance: 3.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)