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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF021HS

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.30477446-0.0145925795λ^{2}+0.0359916632λ^{-2}+0.00349591839λ^{-4}-0.000743189237λ^{-6}+0.000155265866λ^{-8}-1.52961037\text{×}10^{-05}λ^{-10}+6.59677491\text{×}10^{-07}λ^{-12}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 1.3032e-07 1.0819e-08 2.8653e-12 9.0546e-07 1.2613e-09 0.26464
n_d: 1.850260
V_d: 32.352867
density: 4.37 g/cm3
coefficient_of_thermal_expansion_1: 7e-06 K-1
ΔP_gF: 0.0046
phosphate_resistance: 1.0

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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