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Optical constants of SCHOTT - K (Crown)
K5G20

Wavelength: µm
 (0.37–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.14094396λ^2}{λ^2-0.00694945478}+\frac{0.14500119λ^2}{λ^2-0.0310574444}+\frac{37.4705786λ^2}{λ^2-4536.25624}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.22e-06 8.45e-09 -3.31e-11 5.44e-07 4.95e-10 0.214
nd: 1.52344
Vd: 56.76
glass_code: 523568.259
glass_status: special
density: 2.593 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.99e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.028e-05 K-1
dPgF: 0.0017
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0

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.

External links


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