Optical constants of OHARA - BAH (Barium, high-index)
BAH22
Wavelength:
µm
(0.3 – 2.4)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.6928266-0.0090141372λ^{2}+0.025058968λ^{-2}+0.0010140502λ^{-4}-3.2164637\text{×}10^{-05}λ^{-6}+5.6431441\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 25.0 °C coefficients_of_thermal_dispersion: 4.851e-06 0.0 0.0 0.0 0.0 0.0 n_d: 1.664459 V_d: 35.812757 glass_code: 664358 glass_status: preferred density: 3.96 g/cm3 coefficient_of_thermal_expansion_1: 8.5e-06 K-1 coefficient_of_thermal_expansion_2: 9.4e-06 K-1 ΔP_gF: 0.0013 acid_resistance: 3.2 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