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Optical constants of SCHOTT - BaSF (Barium dense flint)
N-BASF64

Wavelength: µm
 (0.365 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.65554268λ^2}{λ^2-0.0104485644}+\frac{0.17131977λ^2}{λ^2-0.0499394756}+\frac{1.33664448λ^2}{λ^2-118.961472}$$

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: 1.6e-06 1.02e-08 -2.68e-11 7.87e-07 9.65e-10 0.229
n_d: 1.704
V_d: 39.38
glass_code: 704394.320
glass_status: standard
density: 3.2 g/cm3
coefficient_of_thermal_expansion_1: 7.3e-06 K-1
coefficient_of_thermal_expansion_2: 8.7e-06 K-1
ΔP_gF: -0.0006
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 3.2
alkali_resistance: 1.2
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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