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Optical constants of CDGM - K (Crown)
H-K3
Wavelength:
µm
(0.300 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.23568924-0.0101322782λ^{2}+0.0109219541λ^{-2}-5.77272119\text{×}10^{-05}λ^{-4}+2.68720113\text{×}10^{-05}λ^{-6}-1.16041466\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.53e-06 1.95e-08 -5.32e-11 4.02e-07 6.25e-10 0.12
nd: 1.504631
Vd: 64.779923
glass_code: 505647
density: 2.4 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7e-06 K-1
dPgF: -0.0045
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)