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Optical constants of SCHOTT - SF (Dense flint)
SF6

Wavelength: µm
 (0.365–2.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.72448482λ^2}{λ^2-0.0134871947}+\frac{0.390104889λ^2}{λ^2-0.0569318095}+\frac{1.04572858λ^2}{λ^2-118.557185}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 6.69e-06 1.78e-08 -3.36e-11 1.77e-06 1.7e-09 0.269
nd: 1.80518
Vd: 25.43
glass_code: 805254.518
glass_status: standard
density: 5.18 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.1e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9e-06 K-1
dPgF: 0.0092
climatic_resistance: 2.0
stain_resistance: 3.0
acid_resistance: 51.3
alkali_resistance: 2.3
phosphate_resistance: 3.3

Comments

lead containing glass type

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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Glass

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