Optical constants of SCHOTT - SK (Dense crown)
N-SK11
Wavelength:
µm
(0.3–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.17963631λ^2}{λ^2-0.00680282081}+\frac{0.229817295λ^2}{λ^2-0.0219737205}+\frac{0.935789652λ^2}{λ^2-101.513232}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.14e-06 1.27e-08 -7.21e-11 3.51e-07 5.41e-10 0.238
nd: 1.56384
Vd: 60.8
glass_code: 564608.308
glass_status: standard
density: 3.08 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.6e-06 K-1
dPgF: -0.0004
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 2.0
alkali_resistance: 1.0
phosphate_resistance: 2.3
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets