Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAFH3
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.10091582-0.0131944552λ^{2}+0.0377063856λ^{-2}+0.00215246343λ^{-4}-0.000117361655λ^{-6}+1.96473108\text{×}10^{-05}λ^{-8}-2.24111072\text{×}10^{-05}λ^{4}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.795041
Vd: 28.688901
glass_status: preferred
density: 3.63 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
dPgF: 0.0107
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
Hikari Glass Co., Ltd.
Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.External links
- Hikari Glass Co., Ltd. (in Japanese)
- Nikon