Optical constants of SUMITA - VC
K-VC100
Wavelength:
µm
(0.330–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.1712708-0.014897108λ^{2}+0.028163952λ^{-2}+0.00083222761λ^{-4}-1.9276093\text{×}10^{-05}λ^{-6}+2.7257034\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.79e-06 1.51e-08 -1.35e-10 6.25e-07 7.77e-10 0.229
nd: 1.80400
Vd: 43.6
glass_code: 804436
density: 4.71 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.2e-06 K-1
dPgF: -0.0078
climatic_resistance: 1.0
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