Optical constants of SUMITA - PSF
K-PSFn3
Wavelength:
µm
(0.380–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2268914-0.014590158λ^{2}+0.047763869λ^{-2}+0.0027173637λ^{-4}-9.5689164\text{×}10^{-05}λ^{-6}+2.7097845\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -8.51e-06 1.46e-08 -1.46e-10 1.13e-06 1.15e-09 0.294 nd: 1.83917 Vd: 23.9 glass_code: 839239 density: 3.9 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 9.3e-06 K-1 - temperature_range: 20 300 °C coefficient: 1.18e-05 K-1 dPgF: 0.018 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