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Optical constants of CDGM - TF (Special flint)
H-TF3L
Wavelength:
µm
(0.330 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5493446-0.012566087λ^{2}+0.018232175λ^{-2}+0.00067809743λ^{-4}-2.8500371\text{×}10^{-05}λ^{-6}+3.2560812\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.613395
Vd: 44.166804
glass_code: 613441
density: 2.8 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: -0.0083
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)