Optical constants of CDGM - BAK (Barium crown)
H-BAK3
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.35870163-0.00950600467λ^{2}+0.0127948403λ^{-2}-8.28951235\text{×}10^{-05}λ^{-4}+3.5627075\text{×}10^{-05}λ^{-6}-1.74142152\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.95e-06 2.23e-08 -5.19e-12 5.17e-07 2.24e-10 0.142
nd: 1.546780
Vd: 62.741102
glass_code: 547628
density: 2.84 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8e-06 K-1
dPgF: -0.0014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)