Optical constants of OHARA - BAH (Barium, high-index)
BAH26
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7137156-0.0093481462λ^{2}+0.022190744λ^{-2}+0.00074154999λ^{-4}-2.1872211\text{×}10^{-05}λ^{-6}+3.821015\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 4.645e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.667551 Vd: 41.927521 glass_code: 668419 glass_status: preferred density: 3.8 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.5e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.8e-06 K-1 dPgF: 0.0011 acid_resistance: 51.2 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