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Optical constants of SCHOTT - KzFS (Special short flint)
N-KZFS2

Wavelength: µm
 (0.31–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.23697554λ^2}{λ^2-0.00747170505}+\frac{0.153569376λ^2}{λ^2-0.0308053556}+\frac{0.903976272λ^2}{λ^2-70.1731084}$$

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

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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