Optical constants of SCHOTT - LaSF (Lanthanum dense flint)
N-LASF45HT
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.87140198λ^2}{λ^2-0.011217192}+\frac{0.267777879λ^2}{λ^2-0.0505134972}+\frac{1.73030008λ^2}{λ^2-147.106505}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 2.78e-06 8.73e-09 -2.65e-11 8.24e-07 1.15e-09 0.255 nd: 1.80107 Vd: 34.97 glass_code: 801350.363 glass_status: standard density: 3.626 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.36e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.56e-06 K-1 dPgF: 0.0009 climatic_resistance: 1.0 stain_resistance: 0.0 acid_resistance: 3.2 alkali_resistance: 1.0 phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets