Optical constants of OHARA - LAH (Lanthanum, high-index)
S-LAH60V
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.05081962λ^2}{λ^2-0.0116035991}+\frac{0.208475257λ^2}{λ^2-0.0526489359}+\frac{1.31486394λ^2}{λ^2-99.38065}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 8.6e-06 1.11e-08 -1.86e-11 8.29e-07 9.24e-10 0.257 nd: 1.833999 Vd: 37.206855 density: 4.43 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.8e-06 K-1 dPgF: -0.0006 climatic_resistance: 1.0 acid_resistance: 51.2 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