Optical constants of OHARA - LAH (Lanthanum, high-index)
S-LAH96
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.85078519λ^2}{λ^2-0.00940657541}+\frac{0.189204854λ^2}{λ^2-0.0380345187}+\frac{1.19763137λ^2}{λ^2-101.426835}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 7.61e-07 8.02e-09 -3.26e-12 6.21e-07 5.18e-10 0.213 nd: 1.763850 Vd: 48.488692 density: 4.54 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7e-06 K-1 dPgF: -0.0041 climatic_resistance: 2.0 acid_resistance: 5.0 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