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Refractive index database


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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)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.62693651λ^2}{λ^2-0.010880863}+\frac{0.24369876λ^2}{λ^2-0.0494207753}+\frac{1.62007141λ^2}{λ^2-131.009163}$$

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

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

SCHOTT AG

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

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