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Optical constants of SCHOTT - SF (Dense flint)
SF15

Wavelength: µm
 (0.37 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.53925927λ^2}{λ^2-0.0119307961}+\frac{0.247620926λ^2}{λ^2-0.0556077536}+\frac{1.03816409λ^2}{λ^2-116.416747}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.91e-06 1.69e-08 -3.77e-11 1.1e-06 1.07e-09 0.278
n_d: 1.69895
V_d: 30.07
glass_code: 699301.406
glass_status: preferred
density: 4.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.9e-06 K-1
ΔP_gF: 0.0066
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 2.3

Comments

was replaced by N-SF15

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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