Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF20
Wavelength:
µm
(0.350 – 2.400)
Derived optical constants
n
k
logX
logY
eV
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)