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

Wavelength: µm
 (0.370–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=3.10091582-0.0131944552λ^{2}+0.0377063856λ^{-2}+0.00215246343λ^{-4}-0.000117361655λ^{-6}+1.96473108\text{×}10^{-05}λ^{-8}-2.24111072\text{×}10^{-05}λ^{4}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.795041
Vd: 28.688901
glass_status: preferred
density: 3.63 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.6e-06 K-1
dPgF: 0.0107

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

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

INFO

Hikari Glass Co., Ltd.

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

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