Optical constants of SUMITA - PSF
K-PSFn214(M)
Wavelength:
µm
(0.4–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=4.2564848-0.015091057λ^{2}+0.086600358λ^{-2}+0.011001775λ^{-4}-0.0012680564λ^{-6}+0.00017404024λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.6e-05 2.83e-08 -1.6e-10 3.11e-06 2.04e-09 0.316
nd: 2.13909
Vd: 17.7
glass_code: 144178
density: 7.06 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.8e-06 K-1
dPgF: 0.0457
climatic_resistance: 1.0
acid_resistance: 3.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book