RefractiveIndex.INFO

Refractive index database


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Optical constants of SCHOTT - SF (Dense flint)
SFL6

Wavelength: µm
 (0.37 – 2.325)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.78922056λ^2}{λ^2-0.0135163537}+\frac{0.328427448λ^2}{λ^2-0.0622729599}+\frac{2.01639441λ^2}{λ^2-168.014713}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.26e-06 7.41e-09 -1.89e-11 1.02e-06 1.62e-09 0.288
nd: 1.80518
Vd: 25.39
glass_code: 805254.337
glass_status: special
density: 3.37 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.03e-05 K-1
dPgF: 0.0148
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
alkali_resistance: 1.0
phosphate_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.

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