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Optical constants of SCHOTT - SK (Dense crown)
N-SK15

Wavelength: µm
 (0.334 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.30417786λ^2}{λ^2-0.00695051276}+\frac{0.28584116λ^2}{λ^2-0.0232023703}+\frac{0.974781572λ^2}{λ^2-99.016884}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.92e-07 1.2e-08 -2.96e-12 4.66e-07 5.16e-10 0.179
nd: 1.62296
Vd: 58.02
glass_code: 623580.362
glass_status: special
density: 3.62 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.6e-06 K-1
dPgF: -0.0009
climatic_resistance: 3.0
stain_resistance: 3.0
acid_resistance: 52.2
alkali_resistance: 2.0
phosphate_resistance: 3.2

Comments

inquiry glass

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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