RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - LaSF (Lanthanum dense flint)
J-LASF01

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.10918831-0.0137763126λ^{2}-0.000130545613λ^{4}+0.0274334291λ^{-2}+0.000651189638λ^{-4}-1.58159803\text{×}10^{-06}λ^{-6}+1.87919051\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.0009e-06 1.4777e-08 -1.7918e-12 7.0948e-07 4.4462e-10 0.20779
nd: 1.785900
Vd: 44.169881
density: 4.25 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.9e-06 K-1
dPgF: -0.0078
phosphate_resistance: 3.0

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.

External links


Glass

External links