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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF09A

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.21676146-0.013942445λ^{2}-0.000118797124λ^{4}+0.0279205286λ^{-2}+0.000601395043λ^{-4}-4.6499054\text{×}10^{-06}λ^{-6}+1.72221463\text{×}10^{-06}λ^{-8}-3.69002554\text{×}10^{-08}λ^{-10}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 2.9976e-06 1.104e-08 1.8476e-12 7.0436e-07 7.6931e-10 0.16596
n_d: 1.816000
V_d: 46.594128
density: 4.99 g/cm3
coefficient_of_thermal_expansion_1: 5.6e-06 K-1
ΔP_gF: -0.0096

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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