Optical constants of SUMITA - VC
K-VC82
Wavelength:
µm
(0.320–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.0092545-0.014428442λ^{2}+0.024950143λ^{-2}+0.0006532589λ^{-4}-1.7536585\text{×}10^{-05}λ^{-6}+2.6440099\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 5.27e-06 1.73e-08 -7.19e-11 6.68e-07 9.93e-10 0.203 nd: 1.75550 Vd: 45.6 glass_code: 756456 density: 4.25 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.9e-06 K-1 - temperature_range: 20 300 °C coefficient: 8e-06 K-1 dPgF: -0.0085 climatic_resistance: 1.0 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