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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH9A

Wavelength: µm
 (0.280 – 2.05809)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.49725259-0.0137767486λ^{2}-0.000124635517λ^{4}+0.0410568814λ^{-2}+0.000721039098λ^{-4}+0.00013613414λ^{-6}-1.24733129\text{×}10^{-05}λ^{-8}+9.2497468\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 8.2131e-07 1.1982e-08 2.2062e-12 8.894e-07 1.0878e-09 0.23395
n_d: 1.902650
V_d: 35.770703
density: 4.91 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
ΔP_gF: -0.0028

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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