Optical constants of SUMITA - PSF
K-PSFn3
Wavelength:
µm
(0.380–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2268914-0.014590158λ^{2}+0.047763869λ^{-2}+0.0027173637λ^{-4}-9.5689164\text{×}10^{-05}λ^{-6}+2.7097845\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.51e-06 1.46e-08 -1.46e-10 1.13e-06 1.15e-09 0.294
nd: 1.83917
Vd: 23.9
glass_code: 839239
density: 3.9 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.18e-05 K-1
dPgF: 0.018
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