Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF01
Wavelength:
µm
(0.340 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.82684251-0.0103793494λ^{2}-7.59583803\text{×}10^{-05}λ^{4}+0.021662046λ^{-2}+0.000472548975λ^{-4}-2.58637501\text{×}10^{-06}λ^{-6}+1.43317138\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.9983e-07 1.0398e-08 -2.1837e-12 7.6422e-07 7.8937e-10 0.15326
nd: 1.700000
Vd: 48.103628
density: 3.68 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.3e-06 K-1
dPgF: -0.0033
phosphate_resistance: 3.0
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