Optical constants of SCHOTT - SSK (Very dense crown)
N-SSK8
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.44857867λ^2}{λ^2-0.00869310149}+\frac{0.117965926λ^2}{λ^2-0.0421566593}+\frac{1.06937528λ^2}{λ^2-111.300666}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.34e-07 1.27e-08 -1.75e-11 5.4e-07 7.05e-10 0.224
nd: 1.61773
Vd: 49.83
glass_code: 618498.327
glass_status: standard
density: 3.268 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.21e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.16e-06 K-1
dPgF: 0.0002
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.3
phosphate_resistance: 1.0
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets