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Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAF2

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.9684827-0.0116032701λ^{2}+0.0244833672λ^{-2}+0.000775976856λ^{-4}-2.44342622\text{×}10^{-05}λ^{-6}+3.01832049\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.743997
V_d: 44.786312
glass_code: 744448
glass_status: preferred
density: 4.16 g/cm3
coefficient_of_thermal_expansion_1: 7.6e-06 K-1
ΔP_gF: -0.0037

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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