Optical constants of SCHOTT - BaF (Barium flint)
N-BAF51
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.51503623λ^2}{λ^2-0.00942734715}+\frac{0.153621958λ^2}{λ^2-0.04308265}+\frac{1.15427909λ^2}{λ^2-124.889868}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.84e-07 1.04e-08 -1.8e-11 7.01e-07 8.47e-10 0.219
nd: 1.65224
Vd: 44.96
glass_code: 652450.333
glass_status: standard
density: 3.333 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.37e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.49e-06 K-1
dPgF: -0.0012
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 5.4
alkali_resistance: 1.3
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets