Optical constants of OHARA - NBH (Niobate, high-index)
S-NBH8
Wavelength:
µm
(0.33 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.61344136λ^2}{λ^2-0.0106386752}+\frac{0.257295888λ^2}{λ^2-0.0487071624}+\frac{1.98364455λ^2}{λ^2-159.784404}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 4.76e-07 9.72e-09 -3.07e-11 8.22e-07 9.16e-10 0.251 nd: 1.720467 Vd: 34.707984 glass_code: 720347 density: 3.19 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.1e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 1e-05 K-1 dPgF: -0.0019 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