Optical constants of SUMITA - PSF
K-PSFn173(M)
Wavelength:
µm
(0.4–2.000)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=4.2616161-0.013994195λ^{2}+0.095197887λ^{-2}+0.0078651735λ^{-4}-0.00053525936λ^{-6}+0.00012395474λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.59e-05 2.25e-08 -1.48e-10 3.28e-06 3.23e-09 0.333
nd: 2.14342
Vd: 17.3
glass_code: 148173
density: 7.03 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.7e-06 K-1
dPgF: 0.049
climatic_resistance: 1.0
acid_resistance: 4.0
References
SUMITA Zemax catalog 2017-02-02 (obtained from http://www.sumita-opt.co.jp)
See also SUMITA optical glass data book