Optical constants of CDGM - BAK (Barium crown)
H-BAK2
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.33527993-0.0078806451λ^{2}+0.0135145071λ^{-2}-0.000142281768λ^{-4}+4.61865579\text{×}10^{-05}λ^{-6}-2.07689693\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.36e-06 2.63e-08 -8.17e-11 4.48e-07 -8.32e-10 0.226
nd: 1.539964
Vd: 59.730319
glass_code: 540597
density: 2.84 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.4e-06 K-1
dPgF: 0.0002
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)