Optical constants of SCHOTT - SF (Dense flint)
N-SF6
Wavelength:
µm
(0.37–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.77931763λ^2}{λ^2-0.0133714182}+\frac{0.338149866λ^2}{λ^2-0.0617533621}+\frac{2.08734474λ^2}{λ^2-174.01759}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.93e-06 7.02e-09 -2.4e-11 9.84e-07 1.54e-09 0.29
nd: 1.80518
Vd: 25.36
glass_code: 805254.337
glass_status: standard
density: 3.369 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.03e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.034e-05 K-1
dPgF: 0.0146
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
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