Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK13
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.81256049-0.0123338559λ^{2}-0.000146274016λ^{4}+0.0196331804λ^{-2}+0.00031921638λ^{-4}+3.67504765\text{×}10^{-06}λ^{-6}+2.77132755\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.8785e-06 1.2562e-08 -2.1995e-12 6.5808e-07 7.5438e-10 0.15591
nd: 1.693500
Vd: 53.203150
density: 3.69 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 6e-06 K-1
dPgF: -0.0071
phosphate_resistance: 4.0
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