RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - LaF (Lanthanum flint)
LAF9

Wavelength: µm
 (0.360 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.097921-0.01112466λ^{2}+0.0388245λ^{-2}+0.001949184λ^{-4}-6.840198\text{×}10^{-05}λ^{-6}+1.330305\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.795040
Vd: 28.565137
glass_code: 795286
glass_status: preferred
density: 4.97 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
dPgF: 0.0036

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.

External links


Glass

External links