Optical constants of CDGM - QF (Light flint)
QF1
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.3504951-0.0086857021λ^{2}+0.016092857λ^{-2}+0.00018705912λ^{-4}+4.2149581\text{×}10^{-05}λ^{-6}-1.3216062\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.548100
Vd: 45.886233
glass_code: 548459
glass_status: preferred
density: 2.94 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.7e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9.3e-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