Optical constants of CDGM - BAK (Barium crown)
H-BAK1
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.30865698-0.00872904002λ^{2}+0.0119533972λ^{-2}+0.000159700912λ^{-4}+6.99805905\text{×}10^{-06}λ^{-6}-3.33717539\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -6.33e-07 1.53e-08 -1.21e-10 4.68e-07 1.43e-09 0.21
n_d: 1.530279
V_d: 60.474448
glass_code: 530605
density: 2.74 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
ΔP_gF: 0.0002
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)