Optical constants of CDGM - TF (Special flint)
H-TF5
Wavelength:
µm
(0.330 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.66774774-0.0123753603λ^{2}+0.0236856508λ^{-2}+0.000348562611λ^{-4}+4.13195176\text{×}10^{-05}λ^{-6}+7.37775936\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.16e-06 1.82e-08 -7.95e-11 1.01e-06 -3.65e-10 0.08
nd: 1.654105
Vd: 39.548456
glass_code: 654395
density: 3.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.4e-06 K-1
dPgF: -0.0047
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)