Optical constants of CDGM - BAF (Barium flint)
H-BAF4
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.32811418λ^2}{λ^2-0.0086851075}+\frac{0.126865199λ^2}{λ^2-0.0440786174}+\frac{1.04004826λ^2}{λ^2-120.899619}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.53e-06 1.58e-08 -4.13e-11 6.35e-07 4.85e-10 0.235
nd: 1.582670
Vd: 46.597786
glass_code: 583466
density: 2.91 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1e-05 K-1
dPgF: 0.0005
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets