Optical constants of CDGM - QF (Light flint)
H-QF50
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.29450546λ^2}{λ^2-0.00894503808}+\frac{0.150752291λ^2}{λ^2-0.0483713581}+\frac{1.08698065λ^2}{λ^2-113.959763}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.05e-07 2.23e-09 5.39e-11 5.36e-07 1.83e-09 0.288
nd: 1.581440
Vd: 40.888972
glass_code: 581409
density: 2.6 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.9e-06 K-1
dPgF: 0.0013
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets