Optical constants of CDGM - QF (Light flint)
QF6
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.3044884-0.0083782321λ^{2}+0.014424342λ^{-2}+0.00033374311λ^{-4}-4.4657456\text{×}10^{-06}λ^{-6}+1.3349929\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.531719
Vd: 48.755584
glass_code: 532488
glass_status: preferred
density: 2.78 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: -0.0024
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets