Optical constants of OHARA - BAH (Barium, high-index)
BAH28
Wavelength:
µm
(0.365–0.9)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.891704-0.01284803λ^{2}+0.02450539λ^{-2}+0.001674117λ^{-4}-0.0001176163λ^{-6}+1.046904\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.3519e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.723420 Vd: 37.949115 glass_code: 723380 glass_status: preferred density: 3.95 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: 0.0035
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets