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Optical constants of SCHOTT - LaSF (Lanthanum dense flint)
P-LASF50

Wavelength: µm
 (0.334 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.84910553λ^2}{λ^2-0.00999234757}+\frac{0.329828674λ^2}{λ^2-0.0387437988}+\frac{1.30400901λ^2}{λ^2-95.8967681}$$

Comments

suitable for precision molding

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: 8.04e-06 1.2e-08 -2.19e-11 8.2e-07 9.08e-10 0.209
n_d: 1.8086
V_d: 40.46
glass_code: 809405.454
glass_status: standard
density: 4.541 g/cm3
coefficient_of_thermal_expansion_1: 5.9e-06 K-1
coefficient_of_thermal_expansion_2: 7.32e-06 K-1
ΔP_gF: -0.0078

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.

External links