Optical constants of LASF9
N-LASF9 (SCHOTT)
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.00029547λ^2}{λ^2-0.0121426017}+\frac{0.298926886λ^2}{λ^2-0.0538736236}+\frac{1.80691843λ^2}{λ^2-156.530829}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.05e-06 1.02e-08 -2.38e-11 9.19e-07 1.18e-09 0.257 nd: 1.85025 Vd: 32.17 glass_code: 850322.441 glass_status: standard density: 4.41 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.37e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.38e-06 K-1 dPgF: 0.0037 climatic_resistance: 1.0 stain_resistance: 0.0 acid_resistance: 2.0 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