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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF08A

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.4408629-0.0138053657λ^{2}-5.63338044\text{×}10^{-05}λ^{4}+0.035057073λ^{-2}+0.000960233781λ^{-4}-7.6596963\text{×}10^{-06}λ^{-6}+2.57013206\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 1.9638e-06 1.114e-08 1.9136e-12 8.1195e-07 8.2924e-10 0.19938
n_d: 1.883000
V_d: 40.688965
density: 5.41 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
ΔP_gF: -0.0088

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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