Optical constants of HIKARI - LaF (Lanthanum flint)
E-LAF2
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9684827-0.0116032701λ^{2}+0.0244833672λ^{-2}+0.000775976856λ^{-4}-2.44342622\text{×}10^{-05}λ^{-6}+3.01832049\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.743997
Vd: 44.786312
glass_code: 744448
glass_status: preferred
density: 4.16 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.6e-06 K-1
dPgF: -0.0037
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