Optical constants of CDGM - BAF (Barium flint)
BAF5
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.52216221-0.00832442891λ^{2}+0.0186334008λ^{-2}+0.000582653358λ^{-4}-1.12806453\text{×}10^{-05}λ^{-6}+2.08955914\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.8e-08 1.12e-08 -6.6e-11 7.53e-07 3.18e-09 0.217
nd: 1.605623
Vd: 43.890292
glass_code: 606439
glass_status: preferred
density: 3.5 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.1e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: -0.0008
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets