RefractiveIndex.INFO Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAFH3

Wavelength: µm
 (0.370 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1015892-0.013347498λ^{2}+0.0364605893λ^{-2}+0.00326400857λ^{-4}-0.000624213023λ^{-6}+0.000140210775λ^{-8}-1.42247779\text{×}10^{-05}λ^{-10}+6.58468818\text{×}10^{-07}λ^{-12}$$

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: 1.795040
V_d: 28.692277
density: 3.61 g/cm3
coefficient_of_thermal_expansion_1: 6.8e-06 K-1
ΔP_gF: 0.0103
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