Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF16
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.18224764λ^2}{λ^2-0.0368484589}+\frac{1.53664805λ^2}{λ^2-0.0088564742}+\frac{1.2307217λ^2}{λ^2-134.124694}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.86e-06 1.56e-08 -3.67e-11 7.03e-07 3.95e-10 0.198
nd: 1.666720
Vd: 48.421731
glass_code: 667484
density: 3.59 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.1e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.8e-06 K-1
dPgF: -0.0026
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets