Optical constants of SUMITA - VC
K-VC99(M)
Wavelength:
µm
(0.310–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.3130252-0.01525551λ^{2}+0.031799975λ^{-2}+0.0010027504λ^{-4}-2.7509191\text{×}10^{-05}λ^{-6}+3.4290858\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.51e-06 1.51e-08 -2.57e-10 7.41e-07 8.37e-10 0.205
nd: 1.84604
Vd: 41.5
glass_code: 851416
density: 5.15 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.3e-06 K-1
dPgF: -0.0094
climatic_resistance: 1.0
acid_resistance: 2.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book