Optical constants of SCHOTT - SF (Dense flint)
N-SF2
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.47343127λ^2}{λ^2-0.0109019098}+\frac{0.163681849λ^2}{λ^2-0.0585683687}+\frac{1.36920899λ^2}{λ^2-127.404933}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.1e-06 1.75e-08 6.62e-11 7.51e-07 8.99e-10 0.277
nd: 1.64769
Vd: 33.82
glass_code: 648338.272
glass_status: standard
density: 2.718 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.68e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.81e-06 K-1
dPgF: 0.0081
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets