Optical constants of OHARA - BAL (Barium, low-index)
S-BAL42
Wavelength:
µm
(0.29–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.39570615λ^2}{λ^2-0.0112218843}+\frac{0.071850507λ^2}{λ^2+0.0252117422}+\frac{1.27129267λ^2}{λ^2-134.49786}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.92e-06 1.21e-08 -3.34e-11 4.43e-07 5.78e-10 0.195 nd: 1.583126 Vd: 59.374673 glass_code: 583594 density: 3.19 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.6e-06 K-1 dPgF: -0.002 climatic_resistance: 1.0 acid_resistance: 1.2 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