Optical constants of SCHOTT - SF (Dense flint)
P-SF68
Wavelength:
µm
(0.42–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.3330067λ^2}{λ^2-0.0168838419}+\frac{0.452961396λ^2}{λ^2-0.0716086325}+\frac{1.25172339λ^2}{λ^2-118.707479}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.55e-05 2.3e-08 -3.46e-11 2.76e-06 2.93e-09 0.297
nd: 2.0052
Vd: 21
glass_status: standard
density: 6.194 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.43e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.67e-06 K-1
dPgF: 0.0308
climatic_resistance: 1.0
stain_resistance: 5.0
acid_resistance: 53.3
alkali_resistance: 2.3
phosphate_resistance: 2.3
Comments
suitable for precision molding
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets