Optical constants of CDGM - BAF (Barium flint)
H-BAF8
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.18828507λ^2}{λ^2-128.446962}+\frac{1.43848614λ^2}{λ^2-0.0101637552}+\frac{0.140002385λ^2}{λ^2-0.0524582573}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.9e-06 1.29e-08 -7.27e-11 8.04e-07 1.1e-09 0.238
nd: 1.626040
Vd: 39.071631
glass_code: 626391
density: 2.96 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.13e-05 K-1
dPgF: 0.0019
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets