Optical constants of CDGM - BAF (Barium flint)
BAF2
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.41667247-0.00746725517λ^{2}+0.0168668464λ^{-2}-1.29697272\text{×}10^{-05}λ^{-4}+5.15992602\text{×}10^{-05}λ^{-6}-1.81803614\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 1.08e-07 2.09e-08 -1.93e-10 8.16e-07 6.26e-11 0.159 nd: 1.569703 Vd: 49.435926 glass_code: 570495 glass_status: preferred density: 3.14 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.6e-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