Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF20
Wavelength:
µm
(0.350 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.82081937-0.0100823647λ^{2}+0.0255084629λ^{-2}+0.00032956767λ^{-4}+5.02565379\text{×}10^{-05}λ^{-6}+6.00432403\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.06e-06 2.07e-08 -8.31e-12 7.29e-07 -1.31e-10 0.25 nd: 1.701545 Vd: 41.140848 glass_code: 702412 density: 3.64 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.9e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.5e-06 K-1 dPgF: 0.0021 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)