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Optical constants of SCHOTT - SK (Dense crown)
N-SK5

Wavelength: µm
 (0.3 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{0.991463823λ^2}{λ^2-0.00522730467}+\frac{0.495982121λ^2}{λ^2-0.0172733646}+\frac{0.987393925λ^2}{λ^2-98.3594579}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.5e-06 1.22e-08 6.38e-11 2.46e-07 -3.34e-11 0.278
n_d: 1.58913
V_d: 61.27
glass_code: 589613.330
glass_status: standard
density: 3.3 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 6.5e-06 K-1
ΔP_gF: -0.0007
climatic_resistance: 3.0
stain_resistance: 1.0
acid_resistance: 4.4
alkali_resistance: 2.0
phosphate_resistance: 1.3

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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