Optical constants of OHARA - BAH (Barium, high-index)
BAH32
Wavelength:
µm
(0.3 – 2.4)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2-1=\frac{1.498643λ^2}{λ^2-0.009643255}+\frac{0.2175678λ^2}{λ^2-0.04511666}+\frac{1.559728λ^2}{λ^2-171.1121}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 25.0 °C coefficients_of_thermal_dispersion: 6.7962e-06 0.0 0.0 0.0 0.0 0.0 n_d: 1.669979 V_d: 39.279752 glass_code: 670393 glass_status: preferred density: 4.02 g/cm3 coefficient_of_thermal_expansion_1: 7e-06 K-1 coefficient_of_thermal_expansion_2: 8.1e-06 K-1 acid_resistance: 1.2 phosphate_resistance: 1.0
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets