Optical constants of SCHOTT - SF (Dense flint)
SF2
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.40301821λ^2}{λ^2-0.0105795466}+\frac{0.231767504λ^2}{λ^2-0.0493226978}+\frac{0.939056586λ^2}{λ^2-112.405955}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 1.1e-06 1.75e-08 -1.29e-11 1.08e-06 1.03e-09 0.249 nd: 1.64769 Vd: 33.85 glass_code: 648339.386 glass_status: standard density: 3.86 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8.4e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.2e-06 K-1 dPgF: 0.0017 climatic_resistance: 1.0 stain_resistance: 0.0 acid_resistance: 2.0 alkali_resistance: 2.3 phosphate_resistance: 2.0
Comments
lead containing glass type. step 0.5 available
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets