Optical constants of CDGM - BAF (Barium flint)
BAF7
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5436416-0.0086925216λ^{2}+0.020049192λ^{-2}+0.00089795352λ^{-4}-4.9734473\text{×}10^{-05}λ^{-6}+5.3556\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.614131
Vd: 40.025731
glass_code: 614400
glass_status: preferred
density: 3.56 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.4e-06 K-1
dPgF: 0.0001
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets