Optical constants of OHARA - NBH (Niobate, high-index)
S-NBH55
Wavelength:
µm
(0.36–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.83145156λ^2}{λ^2-0.0122443139}+\frac{0.287818024λ^2}{λ^2-0.057387731}+\frac{2.152083λ^2}{λ^2-186.099124}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.02e-06 7.99e-09 -1.8e-11 9.25e-07 1.17e-09 0.276 nd: 1.799999 Vd: 29.844688 density: 3.68 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.2e-06 K-1 dPgF: 0.0085 climatic_resistance: 2.0 acid_resistance: 1.0 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