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Optical constants of SCHOTT - BaF (Barium flint)
N-BAF4

Wavelength: µm
 (0.365 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.42056328λ^2}{λ^2-0.00942015382}+\frac{0.102721269λ^2}{λ^2-0.0531087291}+\frac{1.14380976λ^2}{λ^2-110.278856}$$

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: 9.39e-07 1.24e-08 -9e-12 6.17e-07 8.42e-10 0.242
n_d: 1.60568
V_d: 43.72
glass_code: 606437.289
glass_status: standard
density: 2.889 g/cm3
coefficient_of_thermal_expansion_1: 7.24e-06 K-1
coefficient_of_thermal_expansion_2: 8.29e-06 K-1
ΔP_gF: 0.003
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.3

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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