Optical constants of SCHOTT - KzFS (Special short flint)
N-KZFS2
Wavelength:
µm
(0.31–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.23697554λ^2}{λ^2-0.00747170505}+\frac{0.153569376λ^2}{λ^2-0.0308053556}+\frac{0.903976272λ^2}{λ^2-70.1731084}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: 6.77e-06 1.31e-08 -1.23e-11 3.84e-07 5.51e-10 0.196 nd: 1.55836 Vd: 54.01 glass_code: 558540.255 glass_status: standard density: 2.54 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 4.44e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 5.4e-06 K-1 dPgF: -0.0111 climatic_resistance: 1.0 stain_resistance: 4.0 acid_resistance: 52.3 alkali_resistance: 4.3 phosphate_resistance: 4.2
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