Optical constants of SCHOTT - SF (Dense flint)
N-SF66
Wavelength:
µm
(0.39–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{2.0245976λ^2}{λ^2-0.0147053225}+\frac{0.470187196λ^2}{λ^2-0.0692998276}+\frac{2.59970433λ^2}{λ^2-161.817601}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.3e-06 1.15e-08 4.31e-11 9.62e-07 1.62e-09 0.322
nd: 1.92286
Vd: 20.88
glass_code: 923209.400
glass_status: standard
density: 3.996 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 6.83e-06 K-1
dPgF: 0.0307
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets