Optical constants of CDGM - QF (Light flint)
QF3
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.4245509-0.0079714057λ^{2}+0.019149892λ^{-2}+0.00035505098λ^{-4}+1.3941882\text{×}10^{-05}λ^{-6}+1.705772\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.575026
Vd: 41.296920
glass_code: 575413
glass_status: preferred
density: 3.18 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1.14e-05 K-1
dPgF: -0.001
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets