Optical constants of SUMITA - SSK (Very dense flint)
K-SSK9
Wavelength:
µm
(0.340 – 2.000)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.5737917-0.0093452955λ^{2}+0.017645209λ^{-2}+0.00035765081λ^{-4}+1.1614434\text{×}10^{-06}λ^{-6}+1.16034\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -3.89e-06 1.55e-08 -1.07e-10 6.07e-07 4.29e-10 0.203 n_d: 1.62012 V_d: 49.8 glass_code: 620498 density: 3.29 g/cm3 coefficient_of_thermal_expansion_1: 8.3e-06 K-1 coefficient_of_thermal_expansion_2: 9.8e-06 K-1 ΔP_gF: -0.0004 climatic_resistance: 2.0 acid_resistance: 3.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book