Optical constants of OHARA - BAM (Barium, medium-index)
BAM5
Wavelength:
µm
(0.3 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.533703-0.0090417017λ^{2}+0.016851835λ^{-2}+0.00051005408λ^{-4}-1.7651257\text{×}10^{-05}λ^{-6}+1.8665437\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 3.33e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.607289 Vd: 49.188575 glass_code: 607492 glass_status: preferred density: 3.39 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.1e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.1e-06 K-1 dPgF: -0.001 acid_resistance: 52.2 phosphate_resistance: 2.2
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets