Optical constants of CDGM - QF (Light flint)
H-QF3
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.31974395λ^2}{λ^2-0.0096223383}+\frac{0.106724103λ^2}{λ^2-0.0534250071}+\frac{1.12240441λ^2}{λ^2-121.814727}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.78e-06 1.49e-08 -4.97e-11 7.15e-07 4.63e-10 0.244
nd: 1.575010
Vd: 41.504715
glass_code: 575415
density: 2.6 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.03e-05 K-1
dPgF: 0.0025
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets