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Optical constants of SCHOTT - KzFS (Special short flint)
N-KZFS8
Wavelength:
µm
(0.334 – 2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.62693651λ^2}{λ^2-0.010880863}+\frac{0.24369876λ^2}{λ^2-0.0494207753}+\frac{1.62007141λ^2}{λ^2-131.009163}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 7.93e-07 6.47e-09 -5e-12 7.71e-07 1.01e-09 0.254
nd: 1.72047
Vd: 34.7
glass_code: 720347.320
glass_status: standard
density: 3.204 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.77e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.43e-06 K-1
dPgF: -0.0021
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0
Comments
suitable for precision molding. step 0.5 available
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets