Optical constants of OHARA - NBH (Niobate, high-index)
S-NBH52
Wavelength:
µm
(0.32–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.50305799λ^2}{λ^2-0.00999021738}+\frac{0.221715926λ^2}{λ^2-0.0450327698}+\frac{1.84496391λ^2}{λ^2-163.722302}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 1.88e-06 5.19e-09 -3.15e-11 7.29e-07 9.66e-10 0.25 nd: 1.672999 Vd: 38.148170 density: 3.09 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.6e-06 K-1 dPgF: -0.0043 climatic_resistance: 4.0 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