Optical constants of CDGM - F (Flint)
F3
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.54428229-0.00835307611λ^{2}+0.0228231808λ^{-2}+0.000670214922λ^{-4}+1.04294821\text{×}10^{-06}λ^{-6}+3.03297376\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.64e-07 1.78e-08 -2.72e-11 9.68e-07 1.31e-09 0.235
nd: 1.616592
Vd: 36.627394
glass_code: 617366
glass_status: preferred
density: 3.57 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.5e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1e-05 K-1
dPgF: -0.0026
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets