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Optical constants of SCHOTT - BaF (Barium flint)
N-BAF51

Wavelength: µm
 (0.35 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.51503623λ^2}{λ^2-0.00942734715}+\frac{0.153621958λ^2}{λ^2-0.04308265}+\frac{1.15427909λ^2}{λ^2-124.889868}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.84e-07 1.04e-08 -1.8e-11 7.01e-07 8.47e-10 0.219
n_d: 1.65224
V_d: 44.96
glass_code: 652450.333
glass_status: standard
density: 3.333 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.37e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.49e-06 K-1
ΔP_gF: -0.0012
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 5.4
alkali_resistance: 1.3
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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