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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF08

Wavelength: µm
 (0.330 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.44018604-0.0137727093λ^{2}-0.000115923849λ^{4}+0.0355983882λ^{-2}+0.000803698998λ^{-4}+1.22241789\text{×}10^{-05}λ^{-6}+1.64455247\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 1.5048e-06 9.9853e-09 -1.9374e-12 7.9934e-07 9.0207e-10 0.20353
n_d: 1.883000
V_d: 40.657188
glass_status: preferred
density: 5.47 g/cm3
coefficient_of_thermal_expansion_1: 6.4e-06 K-1
ΔP_gF: -0.0093
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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