Optical constants of CDGM - F (Flint)
F5
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.56837524-0.00914046228λ^{2}+0.0225979637λ^{-2}+0.000999853488λ^{-4}-3.66330712\text{×}10^{-05}λ^{-6}+4.93324803\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.39e-06 1.01e-08 -5.9e-11 1.05e-06 2.13e-09 0.231
nd: 1.624353
Vd: 35.938411
glass_code: 624359
glass_status: preferred
density: 3.64 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8.4e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1e-05 K-1
dPgF: -0.0034
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets