Optical constants of HIKARI - LaF (Lanthanum flint)
J-LAF09
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.81748246-0.0105788235λ^{2}-0.000100459117λ^{4}+0.0214941409λ^{-2}+0.000433668886λ^{-4}+3.1538635\text{×}10^{-07}λ^{-6}+1.19012861\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.0244e-06 1.1947e-08 -2.4361e-12 4.5669e-07 7.4603e-10 0.28662
nd: 1.697000
Vd: 48.449887
glass_status: preferred
density: 3.74 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.9e-06 K-1
dPgF: -0.0043
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