Optical constants of OHARA - BAH (Barium, high-index)
S-BAH27
Wavelength:
µm
(0.36–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.68939052λ^2}{λ^2-0.0103598193}+\frac{0.133081013λ^2}{λ^2-0.0533982239}+\frac{1.41165515λ^2}{λ^2-126.515503}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.96e-06 1.33e-08 -3.48e-11 5.66e-07 7.35e-10 0.278 nd: 1.701536 Vd: 41.239440 glass_code: 702412 density: 3.67 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.5e-06 K-1 dPgF: 0.0018 climatic_resistance: 2.0 acid_resistance: 4.0 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