Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF3
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.69165216-0.0101363344λ^{2}+0.0186481237λ^{-2}+0.000358040785λ^{-4}+6.16688889\text{×}10^{-06}λ^{-6}+5.75545763\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.53e-07 1.64e-08 -5.14e-11 4.62e-07 2.21e-10 0.257
nd: 1.656914
Vd: 51.156590
glass_code: 657511
density: 3.77 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)