Optical constants of OHARA - BAM (Barium, medium-index)
BAM3
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.264742λ^2}{λ^2-0.007911881}+\frac{0.189784λ^2}{λ^2-0.03806705}+\frac{1.105094λ^2}{λ^2-133.8316}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.1992e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.582673 Vd: 46.423092 glass_code: 583464 glass_status: preferred density: 3.18 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.1e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.2e-06 K-1 dPgF: -0.0003 acid_resistance: 1.2 phosphate_resistance: 2.0
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets