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Optical constants of SCHOTT - LaF (Lanthanum flint)
P-LAF37

Wavelength: µm
 (0.32 – 2.5)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.76003244λ^2}{λ^2-0.00938006396}+\frac{0.248286745λ^2}{λ^2-0.0360537464}+\frac{1.15935122λ^2}{λ^2-86.4324693}$$

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
n_d: 1.7555
V_d: 45.66
glass_code: 755457.399
glass_status: standard
density: 3.987 g/cm3
coefficient_of_thermal_expansion_1: 6.26e-06 K-1
coefficient_of_thermal_expansion_2: 7.8e-06 K-1
ΔP_gF: -0.008

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