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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH16

Wavelength: µm
 (0.365 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.83294326-0.0156840611λ^{2}+0.0528843692λ^{-2}+0.00350978963λ^{-4}-0.000506491928λ^{-6}+0.000115081798λ^{-8}-1.10388704\text{×}10^{-05}λ^{-10}+5.01900181\text{×}10^{-07}λ^{-12}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.41876e-07 1.0879e-08 1.5014e-12 1.0477e-06 1.44399e-09 0.264948
nd: 2.001000
Vd: 29.123651
density: 5.1 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.1e-06 K-1
dPgF: 0.0041
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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