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Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF016

Wavelength: µm
 (0.350 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.13977744-0.0136971027λ^{2}-0.000162026634λ^{4}+0.0348771551λ^{-2}+0.000587991861λ^{-4}+0.000135087453λ^{-6}-1.23042975\text{×}10^{-05}λ^{-8}+9.55959268\text{×}10^{-07}λ^{-10}$$

Data

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

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.801000
V_d: 34.923057
density: 3.63 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
ΔP_gF: -0.0004
phosphate_resistance: 1.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

More info - wiki

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

External links

Latest optical glass catalog