Optical constants of SCHOTT - KF (Crownflint)
N-KF9
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.19286778λ^2}{λ^2-0.00839154696}+\frac{0.0893346571λ^2}{λ^2-0.0404010786}+\frac{0.920819805λ^2}{λ^2-112.572446}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.66e-06 8.44e-09 -1.01e-11 6.1e-07 6.96e-10 0.217 nd: 1.52346 Vd: 51.54 glass_code: 523515.250 glass_status: standard density: 2.499 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 9.61e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.095e-05 K-1 dPgF: -0.0014 climatic_resistance: 1.0 stain_resistance: 0.0 acid_resistance: 1.0 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