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Optical constants of HIKARI - LaSF (Lanthanum dense flint)
P-LASFH11S

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.07248878-0.0130910046λ^{2}+0.0257175166λ^{-2}+0.000468797447λ^{-4}+8.26140166\text{×}10^{-06}λ^{-6}+4.96911029\text{×}10^{-07}λ^{-8}-0.000149735345λ^{4}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.773870
Vd: 47.253126
glass_status: preferred
density: 4.63 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.4e-06 K-1
dPgF: -0.0088

Comments

Low Tg glass

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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