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Optical constants of SCHOTT - SK (Dense crown)
N-SK16

Wavelength: µm
 (0.31–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.34317774λ^2}{λ^2-0.00704687339}+\frac{0.241144399λ^2}{λ^2-0.0229005}+\frac{0.994317969λ^2}{λ^2-92.7508526}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.37e-08 1.32e-08 -1.29e-11 4.09e-07 5.17e-10 0.17
nd: 1.62041
Vd: 60.32
glass_code: 620603.358
glass_status: standard
density: 3.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.3e-06 K-1
dPgF: -0.0011
climatic_resistance: 4.0
stain_resistance: 4.0
acid_resistance: 53.3
alkali_resistance: 3.3
phosphate_resistance: 3.2

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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