Optical constants of SUMITA - SK (Dense crown)
K-SK16RH
Wavelength:
µm
(0.280–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5853303-0.011740187λ^{2}+0.014496524λ^{-2}+0.0003287161λ^{-4}-1.5804639\text{×}10^{-05}λ^{-6}+1.1016183\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.39e-07 1.49e-08 -2.68e-10 3.99e-07 1.11e-09 0.174 nd: 1.62041 Vd: 60.3 glass_code: 620603 density: 3.5 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.2e-06 K-1 dPgF: -0.0029 climatic_resistance: 2.0 acid_resistance: 5.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book