Optical constants of OHARA - BAL (Barium, low-index)
S-BAL14
Wavelength:
µm
(0.33–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.27553696λ^2}{λ^2-0.00749692359}+\frac{0.146083393λ^2}{λ^2-0.031042153}+\frac{1.16754699λ^2}{λ^2-128.947092}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.94e-07 1.27e-08 -3.65e-11 3.93e-07 3.72e-10 0.26 nd: 1.568832 Vd: 56.363897 glass_code: 569563 density: 2.89 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.3e-06 K-1 dPgF: -0.0014 climatic_resistance: 2.0 acid_resistance: 1.0 phosphate_resistance: 2.0
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets