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Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAF11

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.98504551-0.012861773λ^{2}+0.0312839577λ^{-2}+0.00217089493λ^{-4}-0.000162580251λ^{-6}+1.82003929\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.756920
V_d: 31.591329
glass_status: preferred
density: 3.52 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.1e-06 K-1
ΔP_gF: 0.0056

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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