Optical constants of SCHOTT - SF (Dense flint)
SFL6
Wavelength:
µm
(0.37–2.325)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.78922056λ^2}{λ^2-0.0135163537}+\frac{0.328427448λ^2}{λ^2-0.0622729599}+\frac{2.01639441λ^2}{λ^2-168.014713}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.26e-06 7.41e-09 -1.89e-11 1.02e-06 1.62e-09 0.288
nd: 1.80518
Vd: 25.39
glass_code: 805254.337
glass_status: special
density: 3.37 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.03e-05 K-1
dPgF: 0.0148
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
alkali_resistance: 1.0
phosphate_resistance: 1.0
Comments
inquiry glass
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets