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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
Q-LASFPH2S

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.0430437-0.0130169861λ^{2}-0.000175012562λ^{4}+0.025603733λ^{-2}+0.000448879136λ^{-4}+1.131389\text{×}10^{-05}λ^{-6}+4.69755261\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 8.850929e-06 1.485241e-08 3.179295e-12 7.356564e-07 8.071775e-10 0.1941267
n_d: 1.765437
V_d: 46.751378
density: 4.52 g/cm3
coefficient_of_thermal_expansion_1: 5.3e-06 K-1
ΔP_gF: -0.0095
phosphate_resistance: 3.0

Comments

For mold lens

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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