Optical constants of SUMITA - VC
K-VC78(M)
Wavelength:
µm
(0.270 – 2.000)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.7266185-0.012222673λ^{2}+0.017519329λ^{-2}+0.00043056615λ^{-4}-2.0621869\text{×}10^{-05}λ^{-6}+1.440444\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -1e-06 1.6e-08 -1.38e-10 5.07e-07 3.13e-10 0.19 n_d: 1.66624 V_d: 55.1 glass_code: 670554 density: 3.44 g/cm3 coefficient_of_thermal_expansion_1: 8e-06 K-1 coefficient_of_thermal_expansion_2: 1e-05 K-1 ΔP_gF: -0.0075 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