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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASFH13HS

Wavelength: µm
 (0.360–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=3.48496859-0.0134692969λ^{2}-8.98801936\text{×}10^{-05}λ^{4}+0.0453620373λ^{-2}+0.00110287376λ^{-4}+0.000148043312λ^{-6}-1.27401645\text{×}10^{-05}λ^{-8}+1.28412516\text{×}10^{-06}λ^{-10}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.482e-07 1.3529e-08 2.0369e-12 1.0724e-06 1.5787e-09 0.24732
nd: 1.903660
Vd: 31.274235
density: 4.66 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
dPgF: 0.0029
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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