Optical constants of SUMITA - SSK (Very dense flint)
K-SSK1
Wavelength:
µm
(0.290–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5692173-0.010022582λ^{2}+0.016067095λ^{-2}+0.00039868115λ^{-4}-1.5698671\text{×}10^{-05}λ^{-6}+1.1774033\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.61e-06 1.28e-08 -2.14e-10 5.61e-07 1.14e-09 0.186 nd: 1.61720 Vd: 54.0 glass_code: 617540 density: 3.46 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: -0.0053 climatic_resistance: 1.0 acid_resistance: 1.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book