Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF1
Wavelength:
µm
(0.340 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.05607188λ^2}{λ^2-114.460233}+\frac{1.45456542λ^2}{λ^2-0.00840268049}+\frac{0.129035718λ^2}{λ^2-0.036305429}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.71e-06 2.12e-08 -1.14e-10 4.62e-07 6.87e-11 0.246
nd: 1.622300
Vd: 53.170869
glass_code: 622532
density: 3.57 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 7.2e-06 K-1
dPgF: -0.0009
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets