Optical constants of SCHOTT - SSK (Very dense crown)
N-SSK5
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.59222659λ^2}{λ^2-0.00920284626}+\frac{0.103520774λ^2}{λ^2-0.0423530072}+\frac{1.05174016λ^2}{λ^2-106.927374}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 7.29e-07 1.17e-08 -1.5e-11 6.08e-07 7.66e-10 0.189
nd: 1.65844
Vd: 50.88
glass_code: 658509.371
glass_status: standard
density: 3.71 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8e-06 K-1
dPgF: -0.0007
climatic_resistance: 2.0
stain_resistance: 3.0
acid_resistance: 52.2
alkali_resistance: 2.2
phosphate_resistance: 3.2
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets