Optical constants of SUMITA - PSF
K-PSFn5(M)
Wavelength:
µm
(0.370–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.480338-0.011368322λ^{2}+0.05808586λ^{-2}+0.0034779702λ^{-4}-0.0001519768λ^{-6}+3.6318702\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.38e-06 2.43e-08 -2.21e-10 2.2e-06 1.89e-09 0.277
nd: 1.91643
Vd: 22.4
glass_code: 921224
density: 5.22 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.08e-05 K-1
- temperature_range: 20 300 °C
coefficient: 1.12e-05 K-1
dPgF: 0.0185
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