Optical constants of SUMITA - PSF
K-PSFn203
Wavelength:
µm
(0.380–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.8348467-0.016749417λ^{2}+0.068052702λ^{-2}+0.0056319146λ^{-4}-0.00041721893λ^{-6}+7.0964768\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.26e-05 4.23e-08 -4.24e-10 2.34e-06 8.67e-10 0.308
nd: 2.01700
Vd: 20.8
density: 6.17 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.1e-06 K-1
dPgF: 0.0288
climatic_resistance: 1.0
acid_resistance: 5.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book