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

Wavelength: µm
 (0.35 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

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

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -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
coefficient_of_thermal_expansion_1: 8.37e-06 K-1
coefficient_of_thermal_expansion_2: 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

References

1) SCHOTT optical glass data sheets 2015-07-22
2) SCHOTT Zemax catalog 2015-07-22

More info - wiki

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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