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Optical constants of CDGM - F (Flint)
F13
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.56957078-0.00760403138λ^{2}+0.0249680705λ^{-2}+0.000334501945λ^{-4}+5.6815438\text{×}10^{-05}λ^{-6}+6.07326285\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.89e-06 2.03e-08 -1.74e-10 1.05e-06 9.12e-10 0.237
nd: 1.625884
Vd: 35.713679
glass_code: 626357
density: 3.63 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.11e-05 K-1
dPgF: -0.0009
climatic_resistance: 2.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)