Optical constants of OHARA - LAH (Lanthanum, high-index)
S-LAH92
Wavelength:
µm
(0.350 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2-1=\frac{2.10440311λ^2}{λ^2-0.0108531811}+\frac{0.358346161λ^2}{λ^2-0.044340592}+\frac{1.63010064λ^2}{λ^2-123.2498}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 25.0 °C coefficients_of_thermal_dispersion: 2.15e-06 9.26e-09 8.39e-14 8.47e-07 8.87e-10 0.242 n_d: 1.891899 V_d: 37.134024 density: 4.87 g/cm3 coefficient_of_thermal_expansion_1: 7.5e-06 K-1 ΔP_gF: -0.0034 climatic_resistance: 2.0 acid_resistance: 4.0 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