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Optical constants of SCHOTT - SF (Dense flint)
N-SF6HTultra

Wavelength: µm
 (0.37 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.77931763λ^2}{λ^2-0.0133714182}+\frac{0.338149866λ^2}{λ^2-0.0617533621}+\frac{2.08734474λ^2}{λ^2-174.01759}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.93e-06 7.02e-09 -2.4e-11 9.84e-07 1.54e-09 0.29
nd: 1.80518
Vd: 25.36
glass_code: 805254.337
glass_status: standard
density: 3.369 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.03e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.034e-05 K-1
dPgF: 0.0146
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 2.0
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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