Optical constants of SUMITA - VC
K-VC79(M)
Wavelength:
µm
(0.270–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5419536-0.011244659λ^{2}+0.014723741λ^{-2}+0.00042825747λ^{-4}-3.3933216\text{×}10^{-05}λ^{-6}+2.2129238\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 5.06e-07 1.46e-08 -2.13e-11 4.85e-07 4.45e-11 0.187 nd: 1.60737 Vd: 57.2 glass_code: 610579 density: 3.09 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.2e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.3e-06 K-1 dPgF: -0.008 climatic_resistance: 2.0 acid_resistance: 4.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book