Optical constants of OHARA - NBH (Niobate, high-index)
S-NBH56
Wavelength:
µm
(0.3–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.85191438λ^2}{λ^2-0.013273262}+\frac{0.431102852λ^2}{λ^2-0.0585944644}+\frac{3.45278284λ^2}{λ^2-239.357089}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 4.95e-08 7.56e-09 -3.2e-11 1.01e-06 1.32e-09 0.299 nd: 1.854779 Vd: 24.798980 density: 3.49 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 7.7e-06 K-1 dPgF: 0.0109 climatic_resistance: 3.0 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