Optical constants of HIKARI - LaF (Lanthanum flint)
LAF2
Wavelength:
µm
(0.330–0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.966463-0.01184749λ^{2}+0.02659597λ^{-2}+7.166823\text{×}10^{-05}λ^{-4}+6.759269\text{×}10^{-05}λ^{-6}-1.704166\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.744000
Vd: 45.009021
glass_code: 744450
glass_status: preferred
density: 4.09 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.7e-06 K-1
dPgF: -0.0068
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