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Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAFH2

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1493362-0.0148382096λ^{2}+0.0335324542λ^{-2}+0.00159644183λ^{-4}-7.06244061\text{×}10^{-05}λ^{-6}+1.15814159\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.803840
V_d: 33.889217
glass_status: preferred
density: 3.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
ΔP_gF: 0.0032

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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