Optical constants of SCHOTT - SF (Dense flint)
N-SF15
Wavelength:
µm
(0.37–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.57055634λ^2}{λ^2-0.0116507014}+\frac{0.218987094λ^2}{λ^2-0.0597856897}+\frac{1.50824017λ^2}{λ^2-132.709339}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -7.15e-07 1.04e-08 -2.62e-11 8.56e-07 1.29e-09 0.281
nd: 1.69892
Vd: 30.2
glass_code: 699302.292
glass_status: standard
density: 2.921 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.04e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.28e-06 K-1
dPgF: 0.0108
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