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Optical constants of SCHOTT - SK (Dense crown)
N-SK14

Wavelength: µm
 (0.31 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.936155374λ^2}{λ^2-0.00461716525}+\frac{0.594052018λ^2}{λ^2-0.016885927}+\frac{1.04374583λ^2}{λ^2-103.736265}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.58e-06 1.22e-08 -8.04e-12 4.46e-07 5.22e-10 0.15
nd: 1.60311
Vd: 60.6
glass_code: 603606.344
glass_status: standard
density: 3.44 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.3e-06 K-1
dPgF: -0.0003
climatic_resistance: 4.0
stain_resistance: 2.0
acid_resistance: 51.3
alkali_resistance: 2.0
phosphate_resistance: 2.3

Comments

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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