Optical constants of SUMITA - PSF
K-PSFn4
Wavelength:
µm
(0.360–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.2452002-0.011397767λ^{2}+0.048209487λ^{-2}+0.0022384274λ^{-4}-2.8034687\text{×}10^{-05}λ^{-6}+1.8880187\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -4.02e-06 2.01e-08 -1.33e-10 1.73e-06 1.55e-09 0.277
nd: 1.84400
Vd: 24.8
glass_code: 844248
density: 4.58 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.03e-05 K-1
- temperature_range: 20 300 °C
coefficient: 1.22e-05 K-1
dPgF: 0.0136
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