Optical constants of SUMITA - VC
K-VC91
Wavelength:
µm
(0.350–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.4399333-0.014633437λ^{2}+0.037625197λ^{-2}+0.0021748752λ^{-4}-0.00016417982λ^{-6}+1.5817576\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.08e-06 1.12e-08 -9.02e-11 8.61e-07 1.32e-09 0.245 nd: 1.88660 Vd: 35.0 glass_code: 887350 density: 4.87 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.7e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.5e-06 K-1 dPgF: -0.0045 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