Optical constants of SUMITA - CaFK
K-CaFK95
Wavelength:
µm
(0.270 – 2.000)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.0408226-0.0045471403λ^{2}+0.0058631038λ^{-2}+0.00012966471λ^{-4}-1.1902639\text{×}10^{-05}λ^{-6}+6.9279944\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -2.06e-05 -5.62e-09 -2.69e-11 3.17e-07 3.49e-10 0.174 n_d: 1.43425 V_d: 95.0 glass_code: 434950 density: 3.54 g/cm3 coefficient_of_thermal_expansion_1: 1.29e-05 K-1 coefficient_of_thermal_expansion_2: 1.67e-05 K-1 ΔP_gF: 0.0483 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