Optical constants of SUMITA - SFLD
K-SFLD14
Wavelength:
µm
(0.370 – 2.000)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.9793916-0.011878549λ^{2}+0.03964328λ^{-2}+0.0014928665λ^{-4}+1.9358213\text{×}10^{-05}λ^{-6}+1.2712921\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -4.13e-06 1.55e-08 -2.99e-10 9.65e-07 1.53e-09 0.29 n_d: 1.76182 V_d: 26.5 glass_code: 762265 density: 3.15 g/cm3 coefficient_of_thermal_expansion_1: 8.5e-06 K-1 coefficient_of_thermal_expansion_2: 1.02e-05 K-1 ΔP_gF: 0.0144 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