Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF4
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.151466661λ^2}{λ^2-0.0571831045}+\frac{1.54020133λ^2}{λ^2-0.0111587138}+\frac{1.18737385λ^2}{λ^2-120.128948}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.08e-07 1.96e-08 -1.32e-10 7.3e-07 5.23e-10 0.276
nd: 1.664260
Vd: 35.484251
glass_code: 664355
density: 3.11 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.5e-06 K-1
dPgF: 0.0042
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets