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Optical constants of SCHOTT - SK (Dense crown)
N-SK4

Wavelength: µm
 (0.334–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.32993741λ^2}{λ^2-0.00716874107}+\frac{0.228542996λ^2}{λ^2-0.0246455892}+\frac{0.988465211λ^2}{λ^2-100.886364}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 7.96e-07 1.3e-08 -1.31e-11 4.36e-07 6.01e-10 0.179
nd: 1.61272
Vd: 58.63
glass_code: 613586.354
glass_status: standard
density: 3.535 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6.46e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.38e-06 K-1
dPgF: -0.0004
climatic_resistance: 3.0
stain_resistance: 1.0
acid_resistance: 51.2
alkali_resistance: 2.0
phosphate_resistance: 2.0

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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