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Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF04

Wavelength: µm
 (0.330 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.01765567-0.0144029325λ^{2}-0.000173403131λ^{4}+0.0241938931λ^{-2}+0.00050291378λ^{-4}-1.18295424\text{×}10^{-07}λ^{-6}+1.26171561\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 3.8666e-06 1.2787e-08 -2.003e-12 5.4458e-07 8.1066e-10 0.23096
n_d: 1.757000
V_d: 47.862723
density: 4.07 g/cm3
coefficient_of_thermal_expansion_1: 5.4e-06 K-1
ΔP_gF: -0.0084
phosphate_resistance: 2.0

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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