Optical constants of SCHOTT - SF (Dense flint)
SF4
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.61957826λ^2}{λ^2-0.0125502104}+\frac{0.339493189λ^2}{λ^2-0.0544559822}+\frac{1.02566931λ^2}{λ^2-117.652222}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 5.6e-06 1.7e-08 -5.27e-11 1.54e-06 1.46e-09 0.266 nd: 1.7552 Vd: 27.58 glass_code: 755276.479 glass_status: standard density: 4.79 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.9e-06 K-1 dPgF: 0.0062 climatic_resistance: 1.0 stain_resistance: 2.0 acid_resistance: 4.3 alkali_resistance: 2.3 phosphate_resistance: 3.3
Comments
lead containing glass type
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets