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Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAF010

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.96201742-0.00690787335λ^{2}+0.0295340678λ^{-2}-0.00139338248λ^{-4}+0.000252317172λ^{-6}-1.245434\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.743200
Vd: 49.314451
glass_code: 743493
glass_status: preferred
density: 4.07 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.6e-06 K-1
dPgF: -0.0089

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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