Optical constants of CDGM - BAF (Barium flint)
H-BAF7
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.08754258λ^2}{λ^2-117.535981}+\frac{1.41618001λ^2}{λ^2-0.0100875311}+\frac{0.12698713λ^2}{λ^2-0.0526006682}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.75e-06 1.92e-08 -3.75e-11 9.38e-07 3.34e-10 0.198 nd: 1.614130 Vd: 39.985319 glass_code: 614400 density: 2.88 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.3e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.03e-05 K-1 dPgF: 0.0015 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets