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Optical constants of SCHOTT - SF (Dense flint)
N-SF8

Wavelength: µm
 (0.37 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.55075812λ^2}{λ^2-0.0114338344}+\frac{0.209816918λ^2}{λ^2-0.0582725652}+\frac{1.46205491λ^2}{λ^2-133.24165}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.94e-06 9.7e-09 -2.34e-11 8.32e-07 1.15e-09 0.276
nd: 1.68894
Vd: 31.31
glass_code: 689313.290
glass_status: standard
density: 2.904 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.56e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.92e-06 K-1
dPgF: 0.0087
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.0
phosphate_resistance: 1.0

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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