Optical constants of OHARA - BAL (Barium, low-index)
S-BAL35
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.941357273λ^2}{λ^2-0.0140333996}+\frac{0.546174895λ^2}{λ^2-0.000906635683}+\frac{1.16168917λ^2}{λ^2-114.163758}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.66e-06 1.79e-08 -4.21e-11 3.12e-07 3.55e-10 0.254 nd: 1.589130 Vd: 61.135024 glass_code: 589612 density: 3.31 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.7e-06 K-1 - temperature_range: 20 300 °C coefficient: 6.7e-06 K-1 dPgF: -0.0018 climatic_resistance: 2.0 acid_resistance: 4.2 phosphate_resistance: 1.0
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets