Optical constants of OHARA - LAH (Lanthanum, high-index)
S-LAH65V
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.81419034λ^2}{λ^2-0.00874935029}+\frac{0.361376301λ^2}{λ^2-0.0318352836}+\frac{1.32729484λ^2}{λ^2-91.3406898}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.97e-06 1.12e-08 -3.84e-11 6.13e-07 6.3e-10 0.204 nd: 1.803999 Vd: 46.583432 density: 4.72 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6e-06 K-1 dPgF: -0.0088 climatic_resistance: 3.0 acid_resistance: 4.1 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