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