Optical constants of CDGM - BAF (Barium flint)
BAF4
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.451472-0.0065118879λ^{2}+0.019377342λ^{-2}-0.00030637647λ^{-4}+0.00010174985λ^{-6}-3.9270356\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
nd: 1.582712
Vd: 46.505886
glass_code: 583465
glass_status: preferred
density: 3.28 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9.1e-06 K-1
dPgF: 0.0007
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets