Optical constants of SCHOTT - SF (Dense flint)
P-SF8
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.55370411λ^2}{λ^2-0.011658267}+\frac{0.206332561λ^2}{λ^2-0.0582087757}+\frac{1.39708831λ^2}{λ^2-130.748028}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.27e-06 8.16e-09 -2e-11 9.02e-07 1.22e-09 0.272
nd: 1.68893
Vd: 31.25
glass_code: 689313.290
glass_status: standard
density: 2.898 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.41e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.11e-05 K-1
dPgF: 0.0079
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0
Comments
suitable for precision molding
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets