Optical constants of SCHOTT - SF (Dense flint)
SF15
Wavelength:
µm
(0.37–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.53925927λ^2}{λ^2-0.0119307961}+\frac{0.247620926λ^2}{λ^2-0.0556077536}+\frac{1.03816409λ^2}{λ^2-116.416747}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.91e-06 1.69e-08 -3.77e-11 1.1e-06 1.07e-09 0.278
nd: 1.69895
Vd: 30.07
glass_code: 699301.406
glass_status: preferred
density: 4.06 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.9e-06 K-1
dPgF: 0.0066
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 2.3
Comments
was replaced by N-SF15
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets