Optical constants of SUMITA - SKLD
K-SKLD120
Wavelength:
µm
(0.290–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.4809256-0.011763845λ^{2}+0.013309488λ^{-2}+0.00032545605λ^{-4}-9.9643058\text{×}10^{-06}λ^{-6}+2.0790854\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.57e-06 1.39e-08 -1.08e-10 5.35e-07 5.99e-10 0.138
nd: 1.58680
Vd: 59.8
glass_code: 587598
density: 2.64 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.5e-06 K-1
dPgF: -0.0046
climatic_resistance: 1.0
acid_resistance: 2.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book