Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAFH3
Wavelength:
µm
(0.370–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.1015892-0.013347498λ^{2}+0.0364605893λ^{-2}+0.00326400857λ^{-4}-0.000624213023λ^{-6}+0.000140210775λ^{-8}-1.42247779\text{×}10^{-05}λ^{-10}+6.58468818\text{×}10^{-07}λ^{-12}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.0541e-07 1.2104e-08 -1.4807e-12 1.0038e-06 1.2969e-09 0.2687
nd: 1.795040
Vd: 28.692277
density: 3.61 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
dPgF: 0.0103
phosphate_resistance: 1.0
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