RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - LaSF (Lanthanum dense flint)
E-LASF05

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.27555498-0.0149587295λ^{2}+0.0310927229λ^{-2}+0.000682586922λ^{-4}+9.41310743\text{×}10^{-06}λ^{-6}+1.5045853\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.834807
Vd: 42.722417
glass_code: 835427
glass_status: preferred
density: 4.79 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
dPgF: -0.009

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