Optical constants of CDGM - BAF (Barium flint)
H-BAF2
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.131856447λ^2}{λ^2-0.0404229746}+\frac{1.28686729λ^2}{λ^2-0.0080740739}+\frac{1.0068252λ^2}{λ^2-113.574742}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.16e-06 1.57e-08 -3.1e-11 4.71e-07 6.41e-10 0.268
nd: 1.569700
Vd: 49.452646
glass_code: 570495
density: 2.82 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: 0.0002
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets